Is it OK to use first morning urine for OPK?

You can take an ovulation test at any time of day. But the morning may give you the best results. To boost your chance of an accurate reading, don’t drink a lot of fluids in the four hours before a test. This helps make sure your urine and LH levels are concentrated.

Does diluted urine affect OPK?

Keep in mind that liquid can dilute the amount of luteinizing hormone (LH) in your urine. If this happens, it can appear as if you’re not ovulating when you are. So limit your intake of fluids about 2 hours before testing. It also helps not to urinate 1 to 2 hours before testing.

Can drinking water affect OPK?

How Drinking Water Affects Pregnancy Tests. Drinking water—or any fluids—can, in fact, affect the results of an at-home urine pregnancy test, especially when taken very early in the pregnancy.

How long after positive OPK did you ovulate?

When the OPK gives you a “positive” response, you will be fertile sometime in the next 12- to 48-hours, but sometimes ovulation will not occur until 72 hours later, which may be too large of a window for some sperm.

How long after LH surge do you ovulate?

Ovulation is considered to occur 28-36 hours after the beginning of the LH rise or 8-20 hours after the LH peak. Daily assessment of the preovular rise in estrogen reflects Graafian follicle development but the rise is less distinct and spread over 3-4 days with marked day to day fluctuations.

How long should you hold urine before ovulation test?

This is “Your Usual Cycle Length”. You can test any time of day, but it should be at about the same time each day. It is important that you have not urinated for at least 4 hours before testing, and you should avoid excessive fluid intake before testing.

How long after LH surge is ICI?

The LH surge indicates ovulation will occur at some point within the next twelve to forty-eight hours (on average). The window is large because it is different for everyone. Some people ovulate the same day as the LH surge and some ovulate two days after the surge.

Can you have a false LH surge?

Some women experience false LH surges during which the luteinizing hormone has small peaks before it fully peaks. This could lead to you to time intercourse too early. Such false LH surges are common in women with the Polycystic Ovarian Syndrome (PCOS).

Can you ovulate on same day as LH surge?

Can you get pregnant on high fertility no peak?

Occasionally some women have an LH surge that is too low for the test to detect, or they do not ovulate during a cycle and in this case they may see lots of High Fertility days but no Peak Fertility. This is not unusual and may happen in approximately 8% of cycles.