Are you taking your BBT its the only real reliable way to tell if you have Ovulated. But if your getting highs then I would just keep having sex and hoping that you catch O even if you don't get a peak. I'm really sorry this is so frustrating for you.Ideally, your LH levels should be around 1.0 or higher on your peak day as the test line becomes as dark as a control line. However, some women ovulate below this level. You’re always looking for the last, darkest day on your ovulation tests. For the majority of women, ovulation occurs in the 24-36 hours after a peak is found.TWW Buddies! Ovulation 26th August. by NewGirl88. 67. Browse more posts.In the 3-5 days leading up to ovulation, your cervical mucus will become an egg white consistency, clear and stretchy. This is your fertile mucus and keeping track of it will help you to determine your fertile window. Height of cervix In the days before ovulation, your cervix will change position and shape to help the sperm travel to the ...Bbt Spike But No Peak Fertility On Opk. K. Karter2013. Mar 23, 2015 at 10:39 AM. I have been TTC since December and still no luck. I started temping this cycle and got a big temp spike this morning. I am using clearblue advanced opk's and I have only gotten two flashing faces which means high fertility, but I haven't gotten a peak fertility yet.Jan 2, 2014 · You don't O on the day of a positive opk. It's 12-36 hours after the positive opk, so that's the reason for the low temps for now. Sometimes you can get a positive opk and not O. 14K subscribers in the TFABChartStalkers community. Business, Economics, and Finance. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX TeslaYes absolutely. If you took the photo 4 times it would probably spit out 4 different numbers 😂 realistically the numbers don’t mean anything, all you’re looking for is a positive OPK, where the test line is as dark or darker than the control line.If your OPK is positive but your temperature never spikes, it could be a one-time fluke. But if it continues to happen pretty regularly and you're sure you've dotted your Is and crossed your Ts ...Sep 3, 2011 · Basically, your negative OPK could mean several things. 1) You haven't gotten your surge yet. 2) You have gotten your surge (probably yesterday) and are ovulating today, but for whatever reason didn't ever see the positive OPK. That could be because you didn't test yesterday, or you may have a really short surge. For most women, the answer is no. LH rises to tell the body that it is time to ovulate and surges 24-36 hours before the release of an egg. If you don’t see this surge, you probably took the test at the wrong time, ovulated early or late, or are experiencing an anovulatory cycle. Rarely, however, your baseline LH level may be high or low ...Nov 12, 2019 at 2:22 PM. A lot women (including myself!!) think we ovulate on average 12-36 hours after our PEAK on our OPK. This is not necessarily true. "On average, ovulation occurs 24 hours after the first positive ovulation test. That means that you could have several days of positive tests in a row, but already ovulate after the first day."Tracking Fertility: OPK vs. BBT. Q: Which is a better method of tracking fertility — an ovulation predictor kit (OPK) or basal body temperature (BBT) charting? A: An ovulation predictor kit changes color before you ovulate, based on a surge in your luteinizing hormone (LH), usually 1-2 days before ovulation.rose242. Oct 30, 2017 at 2:30 PM. You’re BBT changes throughout the day and you should only check it first thing in the morning before you get out of bed. since you just had a miscarriage your hormones may not be back to regular yet you could have released a surge making the OPK positive however your body failed to ovulate so your ...Jun 5, 2012 at 7:13 PM. @Destiny_2013, A pos. opk DOES NOT mean u O. It just confirms your lh surge. The only way to confirm O is with temping. U can get a pos. opk and not O. U can also get a neg. opk but temp rise which means u did O. It is possible your body prepared to O but didn't.Jun 20, 2022 · Personally I do both. Opk predicts BBT confirms. Of the two I like bbt more. I don’t find it difficult at all, but I’m still ttc#1 so no one wakes me up at night. Just set an alarm for the same time every morning and keep the thermometer and your phone or a pencil beside the Hi, so this is my first month charting my temps . Usually I only do opks. I got my first positive opk on 5th June and other symptoms and today the 8th I’ve still not had a temp rise . I’m using OvuSense too. So I know it’s not how I’m doing it . I’m worried I don’t ovulate at all I’m on cd 21.Ovulation usually occurs about 14 days before your period. Your LH surge occurs a day or two before that. So knowing how long your cycle is (from one period to the next) will help you figure out ...I looked up this question earlier today, actually. I am having a similar thing; fatigue, o-pains, acne, +opk's, temp low, and I mean what my temp is usually w/o the clomid and progesterone. What I found out was that you can have +opk's and still not ovulate. Anyway, you can have the LH surge and not ovulate if your egg isn't fully ready to let go.I got my bfp yesterday (yay!!) and If I'm reading my opk/bbt chart right, that's 10dpo. That seems early... does that mean I'm more likely to have twins? Or am i reading it wrong, and I have my dpo wrong? i had a cp last cycle so I'm not sure if that made it wonky.photos: my bfp from yesterday, my bbt...After Fallopian Tube Surgery: TTC, OPK, BBT I refused at first to get into the rigors of what I called “Die hard trying to conceive ( TTC) “. I refused to use ovulation predictor test kits (OPKs), take my basal body temperature (BBT) to chart ovulation, or anything other help with conceiving.Nov 12, 2019 at 2:22 PM. A lot women (including myself!!) think we ovulate on average 12-36 hours after our PEAK on our OPK. This is not necessarily true. "On average, ovulation occurs 24 hours after the first positive ovulation test. That means that you could have several days of positive tests in a row, but already ovulate after the first day."If your OPK is positive but your temperature never spikes, it could be a one-time fluke. But if it continues to happen pretty regularly and you're sure you've dotted your Is and crossed your Ts ...Sep 12, 2018 · Tracking Fertility: OPK vs. BBT. Q: Which is a better method of tracking fertility — an ovulation predictor kit (OPK) or basal body temperature (BBT) charting? A: An ovulation predictor kit changes color before you ovulate, based on a surge in your luteinizing hormone (LH), usually 1-2 days before ovulation. A group where you can ask all your BBT related questions! BBT and OPK don't align? So my BBT looks like I O'd three days ago, but my OPK was clearly negative (I check 2-3 times a day during my fertile week), OPK turned strong positive last night... thoughts? Jun 13, 2023 · 1. Changes in basal body temperature (BBT) Your BBT is your lowest body temperature (your body temperature at rest) in a 24-hour period. On the day after you ovulate, your BBT will go up slightly, by 0.5 to 1.0 degrees Fahrenheit. It will stay elevated until your next period. It may also dip slightly just before the increase. rose242. Oct 30, 2017 at 2:30 PM. You’re BBT changes throughout the day and you should only check it first thing in the morning before you get out of bed. since you just had a miscarriage your hormones may not be back to regular yet you could have released a surge making the OPK positive however your body failed to ovulate so your ...Aug 24, 2022 · Don't drink a lot of liquid during the two hours before testing. Too much liquid dilutes your urine, which could make it more difficult to detect the surge. Read the results within 10 minutes. A positive result won't disappear, but some negative results may later display a faint second color band that would be misleading. Using a salivary ... Don't drink a lot of liquid during the two hours before testing. Too much liquid dilutes your urine, which could make it more difficult to detect the surge. Read the results within 10 minutes. A positive result won't disappear, but some negative results may later display a faint second color band that would be misleading. Using a salivary ...Jun 20, 2022 · Hey yeah as a few said you will likely ovulate today. Most often you will see day A. positive opk day B. Ovulation itself day C. Bbt Rise You may see some variance from this, sometimes it takes 2 days to see bbt rise or sometimes your LH surge may happen more than 24hrs before O. But generally the pattern is as listed above. swirl25 member. member. member. My temp rises anywhere between 2 and 4 days after a +OPK. Everyone is different. My OBGYN said this is super normal - your LH surge can either trigger an O right away or a few days later! Lesley0228 member. My O is typically two days after my first +OPK.Hi, so this is my first month charting my temps . Usually I only do opks. I got my first positive opk on 5th June and other symptoms and today the 8th I’ve still not had a temp rise . I’m using OvuSense too. So I know it’s not how I’m doing it . I’m worried I don’t ovulate at all I’m on cd 21.In order to "prove" ovulation yes a rise in temps is needed but my OBGyn seems to think that the opks tests are the best standard for tracking ovulation. Also keep track of cervical mucus, that helps too. If you have a 30 day cycle I would start testing one opk a day starting around day 12 and then do twice a day on days 14/15 (or whatever days ... Apr 14, 2023 · OPK and BBT not aligning. Wondering if anyone ever has their BBT and OPK not match up. I use clear blue digital advanced and I got the static smiley on Saturday 4/1. But my BBT didn’t rise until Saturday 4/8, so fertility friend has ovulation day being Friday 4/7. I had ewcm that Friday to Sunday 4/7-4/9. Feb 28, 2021 · See last answer. Amme N. 28/02/2021 at 5:24 pm. After u ovulate you should have 3 consecutive rises in temp... this is mine this month so I know I’ve ovulated and have been strict with timing temp taking this month.. last month I was a bit wishy washy. Edited on 28/02/2021 at 5:25 pm by Amme N. Jan 4, 2017 · Even with a slow rise, a temperature pattern usually becomes apparent after a few days. It can be helpful to consult with other fertility signs such as cervical mucus and cervical position. Ovulation is most likely to occur on the last day of fertile cervical mucus. But with a slow rise it can sometimes be difficult to pinpoint the exact day of ... Hi everyone, I got my +opk on cycle day 12 around mid day and my ff chart says that i ovulate on day 12 aswell, I'm using the clear blue digitals.. they say once you get the peak smiley not to keep testing but being impatient 🙈 I decided to use my other reader, I got a negative the evening of the 12 which I now know is because it had never been used and had no baseline reading but the next ...BBT shows AFTER O. (You don't get your change on BBT until after you have already O). OPK advised 24-36 hours PRIOR to O. By using OPK and BBT, you should forecast your O date with the OPK and verify you did O via BBT. Whenever you get a few minutes (okay, like 20 or so), I recommend checking out peeonastick.com. This is a very thorough website ...Mar 23, 2015 · Bbt Spike But No Peak Fertility On Opk. K. Karter2013. Mar 23, 2015 at 10:39 AM. I have been TTC since December and still no luck. I started temping this cycle and got a big temp spike this morning. I am using clearblue advanced opk's and I have only gotten two flashing faces which means high fertility, but I haven't gotten a peak fertility yet. In order to "prove" ovulation yes a rise in temps is needed but my OBGyn seems to think that the opks tests are the best standard for tracking ovulation. Also keep track of cervical mucus, that helps too. If you have a 30 day cycle I would start testing one opk a day starting around day 12 and then do twice a day on days 14/15 (or whatever days ... Bbt Spike But No Peak Fertility On Opk. K. Karter2013. Mar 23, 2015 at 10:39 AM. I have been TTC since December and still no luck. I started temping this cycle and got a big temp spike this morning. I am using clearblue advanced opk's and I have only gotten two flashing faces which means high fertility, but I haven't gotten a peak fertility yet.Hi all, I'm new here. I'm almost 35 and we've been TTC for 9 months. We usually BD the few days before I get a positive OPK, the day I get a positive OPK, and usually the day after. Well, I started temping 3 months ago and realized there are 4-5 days between my positive OPK's and my temp shift. So when... BBT is strictly a morning temperature, right after waking and before getting out of bed. Because of this, it’s normal for your temp to be higher later in the day. Body temperature is very sensitive to movement, eating, and basically every other external factor, which is why it’s so important to test first thing in the morning after being at ...The OPK method is even more powerful when combined with the basal body temperature (BBT) method because the two methods together create an “ovulation sandwich.” (Check out my post on the BBT method for details on how to incorporate it into your ovulation tracking activities.) Since the OPK method gives you about 1-2 days’ notice prior to ...Some women have a long surge for more than 1 day so this means if you just do the above and presume the next day the egg releases and that's the only day you BD (when it really does it 2-3 days later) you've hosed yourself. The best thing IMO is to keep tracking (+) OPK test until you have a BBT temperature drop also.BBT is strictly a morning temperature, right after waking and before getting out of bed. Because of this, it’s normal for your temp to be higher later in the day. Body temperature is very sensitive to movement, eating, and basically every other external factor, which is why it’s so important to test first thing in the morning after being at ...Hi everyone, I got my +opk on cycle day 12 around mid day and my ff chart says that i ovulate on day 12 aswell, I'm using the clear blue digitals.. they say once you get the peak smiley not to keep testing but being impatient 🙈 I decided to use my other reader, I got a negative the evening of the 12 which I now know is because it had never been used and had no baseline reading but the next ...Aug 25, 2022 · OPK + BBT all over the place. Hey! I’m 28y, and new here. This is my 1st month ttc, I’ve been tracking my BBT (not always at the same time, between 7 and 8am) and my LH daily. I’m on CD 11 and my BBT has frequent ups and downs, also my LH some days is lower than the previous days like for example today I’ve logged into the app and says ... Sep 16, 2019 · BBT rise day before positive OPK. March 18, 2023 | by lliiivvii1112. I’m on cycle 7 trying to conceive baby #1. My BBT was raised yesterday (98F) and I hadn’t got a positive OKP yet so I figured I missed my peek. Because I’m curious I continued taking OPKs and got a very dark positive this morning along with... Yes absolutely. If you took the photo 4 times it would probably spit out 4 different numbers 😂 realistically the numbers don’t mean anything, all you’re looking for is a positive OPK, where the test line is as dark or darker than the control line. Oct 29, 2022 · 14K subscribers in the TFABChartStalkers community. Business, Economics, and Finance. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla EWCM is not an indicator of ovulation, just that it should be happening soon. 2. It could be seminal or arousal fluids if you have BD in the last 12-24 hours. Most women know this but its worth saying as most couples tracking CM are also BD regularly around the time they think they are going to ovulate. 3. I have also ready in TCOYF that an OPK can show a positive result before, during, and after you O due to varying levels of LH in urine. HTH. EDIT: So, the answer is yes, you could have a temp rise with a +OPK. ~Sweet Girl *8/18/08* c-section ~ Sweet Boy *12/2/10* VBAC ~ Sweet Boy *8/14/12* VBAC~. Yes absolutely. If you took the photo 4 times it would probably spit out 4 different numbers 😂 realistically the numbers don’t mean anything, all you’re looking for is a positive OPK, where the test line is as dark or darker than the control line.By using OPK and BBT, you should forecast your O date with the OPK and verify you did O via BBT. Whenever you get a few minutes (okay, like 20 or so), I recommend checking out peeonastick.com. This is a very thorough website that will give you a ton of information on CM, BBT, OPK, etc.I got my bfp yesterday (yay!!) and If I'm reading my opk/bbt chart right, that's 10dpo. That seems early... does that mean I'm more likely to have twins? Or am i reading it wrong, and I have my dpo wrong? i had a cp last cycle so I'm not sure if that made it wonky.photos: my bfp from yesterday, my bbt... Business, Economics, and Finance. GameStop Moderna Pfizer Johnson & Johnson AstraZeneca Walgreens Best Buy Novavax SpaceX Tesla. CryptoAccording to my bbt and my CM, I should be most fertile today, but my daily OPK has been negative. I'm definitely over-thinking this, but it's because I don't think I ovulated at all last month - my chart never showed a sustained rise, my OPK was negative, and we had sex every day for 2 weeks and didn't get pregnant.Hello lovelies I am currently on CD20 and I think I Ov on CD18 Bedtime of CD17 I was convinced my opk was positive however my apps confirmed it wasn’t quite…Ovulation usually occurs about 14 days before your period. Your LH surge occurs a day or two before that. So knowing how long your cycle is (from one period to the next) will help you figure out ...Yes absolutely. If you took the photo 4 times it would probably spit out 4 different numbers 😂 realistically the numbers don’t mean anything, all you’re looking for is a positive OPK, where the test line is as dark or darker than the control line. I've been reading online that some women don't get their temp rise until 3 or 4 days after a positive opk. Praying this happens to me. Plan on continuing with OPKs and bd'ing every 2 or 3 days ...Don't drink a lot of liquid during the two hours before testing. Too much liquid dilutes your urine, which could make it more difficult to detect the surge. Read the results within 10 minutes. A positive result won't disappear, but some negative results may later display a faint second color band that would be misleading. Using a salivary ...Really considering giving up on OPKs: Only tried OPK strips so far and find it super annoying that you can't test with FMU. I think it is absolutely… BBT is more "accurate" in that it is the only of the two that will actually confirm that you've ovulated. Unfortunately, it only tells you after the fact. It is possible to get a +OPK and not ovulate, which is why OPKs are not always accurate. I would recommend using both--Use OPKs until you get a +, then have sex every day (if possible) until ...Sep 12, 2018 · Tracking Fertility: OPK vs. BBT. Q: Which is a better method of tracking fertility — an ovulation predictor kit (OPK) or basal body temperature (BBT) charting? A: An ovulation predictor kit changes color before you ovulate, based on a surge in your luteinizing hormone (LH), usually 1-2 days before ovulation. Jun 5, 2012 · Jun 5, 2012 at 7:13 PM. @Destiny_2013, A pos. opk DOES NOT mean u O. It just confirms your lh surge. The only way to confirm O is with temping. U can get a pos. opk and not O. U can also get a neg. opk but temp rise which means u did O. It is possible your body prepared to O but didn't. Advertisement ... Nov 11, 2017 · I've been reading online that some women don't get their temp rise until 3 or 4 days after a positive opk. Praying this happens to me. Plan on continuing with OPKs and bd'ing every 2 or 3 days ... Between oversleeping one day, some sleep deprivation, heavy drinking one night, indiscernible OPK results, and using the least-adored BBT on TB, I'm basically just crossing my fingers at this point. Thought the temp would go up today for O yesterday but it went down so I'm hoping O today for pretty good timing. By using OPK and BBT, you should forecast your O date with the OPK and verify you did O via BBT. Whenever you get a few minutes (okay, like 20 or so), I recommend checking out peeonastick.com. This is a very thorough website that will give you a ton of information on CM, BBT, OPK, etc.Mar 23, 2015 · Bbt Spike But No Peak Fertility On Opk. K. Karter2013. Mar 23, 2015 at 10:39 AM. I have been TTC since December and still no luck. I started temping this cycle and got a big temp spike this morning. I am using clearblue advanced opk's and I have only gotten two flashing faces which means high fertility, but I haven't gotten a peak fertility yet. Every cycle I have been able to measure the LH surge, and also the temp increase when I have ovulated and drop in BBT when AF is arriving. My FP/Ovulation has been all over the place though, so literally I measure OPK 2 times a day just to make sure I don't miss it. The range has been 18-37 days for ovulation - yup, that's a lot of OPKs! Nov 13, 2017 · 13/11/2017 at 11:33 pm. Dont worry! It's all normal! The ovulation and the temp rise usually takes place a day or two after your first positive opk! Sometimes I only get one day of positive opks, sometimes two. Usually I get a temp rise the second day after the first opk. But once or twice it was in the third day! It's all ok and normal. Jackelbee3. don't bother with any pregnancy tests if your temp starts to decline. It should be elevated after ovulation and will decline steadily if AF is coming. Sounds like you are doing all of the right things. Good luck to you. Charting my BBT along with using the OPK have really helped me a lot. Jacks.For most women, the answer is no. LH rises to tell the body that it is time to ovulate and surges 24-36 hours before the release of an egg. If you don’t see this surge, you probably took the test at the wrong time, ovulated early or late, or are experiencing an anovulatory cycle. Rarely, however, your baseline LH level may be high or low ... If your ovulation test is positive, this means that your LH levels are above the threshold considered to be “surging” – meaning that ovulation will likely happen within 24-36 hours. At rest, typical LH levels for women are between 5-25 IU/L, and during the LH surge, they can peak up to 100+ IU/L. The most common and reliable threshold for ... A bit over 90% of cycles with a positive OPK are ultimately ovulatory (but not necessarily the day after the positive OPK, as the conventional wisdom would tell you). (EDIT: source here) Overall, no, it’s not necessary to track every possible fertility sign, and if you don’t want to track BBT, then you shouldn’t. Are you taking your BBT its the only real reliable way to tell if you have Ovulated. But if your getting highs then I would just keep having sex and hoping that you catch O even if you don't get a peak. I'm really sorry this is so frustrating for you.The OPK method is even more powerful when combined with the basal body temperature (BBT) method because the two methods together create an “ovulation sandwich.” (Check out my post on the BBT method for details on how to incorporate it into your ovulation tracking activities.) Since the OPK method gives you about 1-2 days’ notice prior to ...Oct 20, 2021 · If you have fertile cervical mucus but no rise in temperature, it could be that you're not ovulating. While fertile quality cervical mucus can warn you that ovulation is coming, so you can time sex for pregnancy, it doesn't confirm that ovulation actually took place. You can have fertile quality cervical mucus, but not ovulate. Aug 24, 2022 · Don't drink a lot of liquid during the two hours before testing. Too much liquid dilutes your urine, which could make it more difficult to detect the surge. Read the results within 10 minutes. A positive result won't disappear, but some negative results may later display a faint second color band that would be misleading. Using a salivary ... A Discussion on OPK’s vs BBT Charting. Many women become confused when their OPK’s (Ovulation Predictor Kits) and BBT’s (Basal Body Temperatures) don’t agree on the day of ovulation- understandably so. This is one of the more confusing topics I’ve researched! We’ll file this under “advanced topics”. Here’s why.Apr 1, 2011 · According to my bbt and my CM, I should be most fertile today, but my daily OPK has been negative. I'm definitely over-thinking this, but it's because I don't think I ovulated at all last month - my chart never showed a sustained rise, my OPK was negative, and we had sex every day for 2 weeks and didn't get pregnant. Aug 24, 2022 · Don't drink a lot of liquid during the two hours before testing. Too much liquid dilutes your urine, which could make it more difficult to detect the surge. Read the results within 10 minutes. A positive result won't disappear, but some negative results may later display a faint second color band that would be misleading. Using a salivary ... Ovulation test strips are urine tests that you use at home to detect impending ovulation. They work by detecting the luteinizing hormone (LH), which increases to prompt the release of the egg during ovulation. Sometimes they are called ovulation predictor kits (OPKs), or simply ovulation tests.
Apr 21, 2023 · A BBT spike (or progesterone testing) will show that ovulation did actually happen. So it's possible that while you're getting a positive OPK, you may not actually be ovulating when you think you are. If you do eventually get a BBT increase, it could mean that your body is trying again and successfully ovulating the 2nd time. . Pa state police car accident reports
BBT shows AFTER O. (You don't get your change on BBT until after you have already O). OPK advised 24-36 hours PRIOR to O. By using OPK and BBT, you should forecast your O date with the OPK and verify you did O via BBT. Whenever you get a few minutes (okay, like 20 or so), I recommend checking out peeonastick.com. This is a very thorough website ... Ovulation test strips are urine tests that you use at home to detect impending ovulation. They work by detecting the luteinizing hormone (LH), which increases to prompt the release of the egg during ovulation. Sometimes they are called ovulation predictor kits (OPKs), or simply ovulation tests.May 6, 2020 · Ovulation predictor kit (OPK) Ovulation predictor kits look just like the home pregnancy tests but they determine when you are ovulating instead. Unfortunately, different brands vary in their accuracy. If you are finding positive tests with the regular "pee-on-the-stick" kind, then you don't really need the fertility monitor. The month I conceived, I had a negative OPK 2 days before my ovulation, which was detected with my bbt. Good thing we had sex during that time or I would’ve completely missed it. LikeBy using OPK and BBT, you should forecast your O date with the OPK and verify you did O via BBT. Whenever you get a few minutes (okay, like 20 or so), I recommend checking out peeonastick.com. This is a very thorough website that will give you a ton of information on CM, BBT, OPK, etc.Women who ovulate and check their basal body temperature (BBT) chart will probably notice a small, but sustained rise in temperature after ovulation, especially after a few months of experience with close monitoring. A woman who is not ovulating will not have that small temperature change. Tracking BBT in addition to cervical mucus can be helpful.Yes absolutely. If you took the photo 4 times it would probably spit out 4 different numbers 😂 realistically the numbers don’t mean anything, all you’re looking for is a positive OPK, where the test line is as dark or darker than the control line.CD 14: 96.94 CD 15: 97.11 CD 16: 97.18 CD 17: 96.81 CD 18 (first positive OPK): 97.08 CD 19: 97.18 CD 20: 97.18 CD 21 (today): 97.26 Is it possible I ovulated the same day as first positive so the CD 17 reading was the dip, and then every day since then has been a little higher? Yes absolutely. If you took the photo 4 times it would probably spit out 4 different numbers 😂 realistically the numbers don’t mean anything, all you’re looking for is a positive OPK, where the test line is as dark or darker than the control line. Ideally, you should use one that is accurate to 1/10th (98.6) of a degree if you measure in Fahrenheit or 1/100th (37.00) of a degree in Celsius. Use the same thermometer throughout the cycle. If you buy a new one, start using it on day one of the next cycle. Taking your BBT is not too hard.Really considering giving up on OPKs: Only tried OPK strips so far and find it super annoying that you can't test with FMU. I think it is absolutely…Basal body temperature (BBT) tracking: Before and after ovulation, BBT (your body’s lowest resting temperature) dips, then rises again. Tracking this shift can let you know if an egg was released. Tracking this shift can let you know if an egg was released.By using OPK and BBT, you should forecast your O date with the OPK and verify you did O via BBT. Whenever you get a few minutes (okay, like 20 or so), I recommend checking out peeonastick.com. This is a very thorough website that will give you a ton of information on CM, BBT, OPK, etc..