How Long Does A Lh Surge Last In The Urine

Sandy asks…

Could I be ovulating or what could this be?

This sounds a little gross but here goes:
AF started Feb. 24 and I stopped bleeding on Feb. 26. Then on Feb. 27 hubby and I had sex. I started spotting soon after just for a few hours or so. I started taking ovulation tests 11 days in on Mar. 6. all the way through today Mar. 12. None of them have shown an LH surge. Yesterday and today I have been feeling a little off, not quite like a period, no cramps, just a discomfort in my stomach and back. Yesterday when I wiped there was a thick discharge, clear, but with brown in it. This stopped last night but started back again today only with red in it. We also had sex on Mar.1, Mar. 7, and Mar. 9. I’m not due to start my period til Mar.22. What could this be? Is it ovulation and the test just not picking it up? I’m confused. Also there’s no odor or anything like an infection. Anybody ever experienced this?
bailey<3buggin: My cycle is usually around 28 days and cm is like you described, very little blood at all. The first day it didn’t look like blood. Do you think this means I’ve already ovulated, about to ovulate, or am ovulating? Those tests have really got my confused.

Pregnancy Advisor’s answers:

How long are your cycles usually?

It does a bit like ovulation, as long as its a teeny amount of blood that you noticed. Some women absolutely hate ovulation tests, especially the non-digital ones, because they can never get positives on them. It’s possible that they just aren’t working for you or maybe your urine was too diluted or even too concentrated. The best time to use them is like 10a-8p with afternoon being the best.

The fact that you’ve had clear discharge also makes me think it could be ovulation-related. Try to check your cervical mucus some more by feeling with your finger. If you have clear, stretchy discharge, youre definitely in your fertile time.

In the future, you may want to consider charting your basal body temp (BBT). It will confirm once you have ovulated because the day after ovulation, you begin to have higher temps than you did before ovulation. You just take your temp every morning before you get out of bed. I enter my info into My chart link is below if you want to see how it works. There is also a lot of info about ovulation signs on the website. Definitely sign up if you havent!


Lizzie asks…

Worried I might have PCOS, what do you think? (10 points)!!?

Okay, this is the deal. I have always had long or irregular cycles. I’ve been pregnant twice (both ending in miscarriage) one was viable and the other was a blighted ovum. Anyway, my husband and I have been TTC again but I have had EWCM off and on for the past 2 weeks! I don’t know what to think! Has anyone ever had this? By the way, my Dr. has done blood work on my thyroid and it came back normal.

Pregnancy Advisor’s answers:

Yes I have PCOS and have gone through simillar situatons. One time I had six or eight positive OPK’s in one month! PCOS can put your hormones all over the place. I too had a blighted ovum. I was seeing a reproductive endocnorolgist who diagonised me with having PCOS. I had all the symptoms!

It is very likely that you may have PCOS. Some other symptoms that are associated with PCOS that many people may not be aware of are and charastaricts common amound women with PCOS are the following:

being over weight
Carring excess weight around the middle (beer belly apperence)
irregular cycles
male pattern hair growth (hair that grows on your abdoman, or between your bottox cheeks)
An ultrasound revelaing cysts on the ovaries

That is what I know and knowledge I have retained from materials I have read on this topic. I am a PCOS suffer myself. My periods would last for two weeks sometimes and then completly dissappar for months on end. Here is some information I have found on the internet: (ones I didn’t include)

Insulin resistance, hyperinsulinemia, and diabetes

Here are the tests that are used to diagonis PCOS and a description of what they are used for:

Follicle Stimulating Hormone (FSH) and Luteinizing Hormone (LH) are produced by the pituitary in response to the presence of another hormone. FSH stimulates the growth of an egg follicle within the ovary, while the surge of LH triggers the release of the egg during ovulation. Both typically ‘surge’, elevating lab values, just prior to ovulation. Previous diagnoses were made based on a LH to FSH ratio of greater then 3:1. This is not the case anymore because while many women with PCOS have persistently elevated LH levels throughout their entire cycle, it is not uncommon for women to have normal hormone values. If FSH is elevated, it can be an indication of decreased ovarian reserve, or aging/menopause.

Dehydroepiandrosterone (DHEA) and testosterone are two of the androgens, or male hormones. These androgens are responsible for many of the male secondary sex characteristics like abnormal hair growth or loss and acne, which explains the symptoms that PCOS sufferers experience. They also cause menstrual irregularities in women. Elevations of testosterone is typical in women with PCOS. A high DHEA level would indicate an adrenal cause, like Congenital Adrenal Hyperplasia or an adrenocortical tumor, for the patient’s symptoms.

Thyroid function
These tests are used to rule out thyroid dysfunction as a cause of menstrual irregularity. Thyroid Stimulating Hormone (TSH) is also secreted by the pituitary and controls the release of the two thyroid hormones T3 and T4. These two hormones control basic metabolism and could produce menstrual changes similar to those in PCOS. Either higher or lower then normal lab values could indicate thyroid disease and should be followed up.

Secreted by the pituitary, this hormone’s primary responsibility is promoting lactation in women. Elevated values can cause amenorrhea, so this test is usually performed to look for another source of the symptoms. If elevated, your doctor will order more tests (usually an MRI or other blood tests) to figure out why it is high.

Glucose Tolerance Test (GTT)
This test will allow your physician to measure your response to a sugar stimulus. Insulin is the major hormone which deals with sugar and fuel within the body. The examiner will give you a very sweet, sugary solution to drink. Blood tests will be drawn before the test begins, a onr hour after you drink the solution, and again at two and three hours afterwards. Urine samples may be collected as well to measure glucose in the urine. It is important to not eat or drink anything once the test begins, or for 12 hours before as it will affect the results. Normally, blood sugar should return to normal within 3 hours. If blood sugar levels are elevated beyond the test, it may indicate that your body does not respond as quickly to insulin. Putting you at risk for developing diabetes.

Women with PCOS can have high cholesterol. Because of the association of PCOS with metabolic disturbances, including heart disease and diabetes, it is important to monitor your cholesterol and blood pressure. This will allow your practitioner to quickly treat you if you develop risk factors for cardiac disease and minimize their effects

Mandy asks…

ttc ovulation tests confused?

hello i understand 2 line 1 control line being darker than the test line is a negative but does it not mean anything else ie that you are getting closer?
AND in general how long would the hormone serge last for ie all day or a few hours.
thanks xxx

Pregnancy Advisor’s answers:

It doesn’t mean anything else. The tests where you have to compare the strips are hard to read. You don’t always get both lines being the same and your positive could just be the darkest line you get (which can still be lighter than the control line) which is why I don’t like those tests. You may not realise you had a positive until it is too late. Clear blue digital ovulation tests are best and you can’t go wrong with those really so long as you don’t test first thing in the morning. They do cost more but its worth it.

The LH surge usually lasts between 24-48 hours but it can be misleading. Some women can continue to get a positive test for about 3 days in a row if they caught the surge right at the start. You best chance of conceiving is to have sex within the first 12 hours after a positive test. For some women LH hangs around longer in their urine but generally ovulation also takes place between 24-48 hours after the surge too so reading the positive too late may mean you miss your most fertile time.

Good luck.

Sandra asks…

Ovulation testing kit?

Hi, my normal monthly cycle is 26-28 days 14 days after my last period would have been yesterday..i bought an ovulation kit today at it has come up as a bit confused as my cycles are always regular so i assumed i would be ovulating 14 days after but the test seems to say different anyone else expericed this or and suggestions why??

Pregnancy Advisor’s answers:


The biggest problem with OV Testing Kits is the method in which they are used.

Most often woman will test either too early or the urine will be diluted (drinking too much) or they haven’t held it long enough.

I tell all my customers that they must NOT test in the morning – LH builds in your body throughout the day, the best time for testing is between 4-8pm – if you are going to test say at 6pm – do not drink for a couple of hours before and hold your urine. In most cases the test then will pick up the LH surge.

It is true however, that OV Tests just don’t work for some women – I recommend that if you continue to show no positive on a OV test that you do what the other lady said and use the BBT method – it will not give advanced warning of ovulation but it does confirm that you have ovulated.

There is no such thing as ’14 ovulation’ – every woman is different, some woman can ovulate as early as day 7 of their cycle but have a LH Phase between 16-18 days – other woman will ovulate on day 25 but only have a 10 LH Phase, there is no NORMAL – you need to find out how your body works.

If you don’t want to use the BBT method and OV Tests don’t appear to work for you – maybe you should look at the Fertility Monitor from Clearblue – this builds a unique picture of you hormones and will tell you the best time to concieve.

I hope this helps, and best of luck with TTC

Jo x

Donna asks…

Is it positive to get a + and – OPK in the same day?

I woke up this morning at 5:00 (full bladder) and did and OPK and got a BFP.
Later in the day (now) I did one again ( for kicks I guess, or disbelief, I haven’t ovulated (that I’m aware of) in over a month) and it was a BFN.

What happened?
I first detected the surge last night, the day before that was a BFN
**Ooops! Meant is it POSSIBLE. Lol

Also, before the did the second OPK I had a full bladder from chugging a water. I then did the OPK about an hour later with not much urine.
Also–is it possible the hormone it is picking up is hCG? (I know they can do that)
Would that be why it was stronger in the morning and lighter at night?

Pregnancy Advisor’s answers:

It’s very easy to get a false positive on OPK tests, especially when you take it in the morning. The luteinizing hormone is always present in women, which is why the second line is rarely blank. After a long fast (like sleep) and going hours without urinating it will build up and become concentrated. Once it’s highly concentrated you can easily get a false positive. The point of ovulation tests is to look for a LH surge that’s strong even when the urine is weak (not concentrated). That’s why you should take it during the afternoon.

It could be detecting the hcg but most OPKs aren’t as sensitive as pregnancy tests. Try taking a pregnancy test and if it comes back negative I’d trust that over the opk test when it comes to pregnancy. Good luck!

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