Q. Is my ovulation delayed due to the morning-after pill?

Answered by
Dr. Harmanpreet Kaur
and medically reviewed by iCliniq medical review team.
This is a premium question & answer published on Jun 20, 2022

Hi doctor,

I am 22-year-old and I took a pill in the morning around a week ago but now my partner and I have decided to conceive. So I bought an ovulation kit and since then, I have been taking the test and it always shows negative. But the app on which I track my periods shows that it is my ovulating period. Kindly help.



Welcome to

I understand your concern. As per the information provided by you, it is not clear what was the last date of your periods and what is the normal cycle length and also if your periods are regular or not, as the last day of your periods and your cycle length will guide me towards the approximate date of your ovulation. The morning-after pill works on the principle of preventing or delaying ovulation. That could be the reason for not ovulating, and the kit is showing negative results. It means you might not ovulate this month, or it could be delayed.

Regarding ovulation kits, instructions on the kit must be followed, as they are standardized to different times of the day. Therefore, I suggest you test at the specified time of day as mentioned on the ovulation kit; otherwise, it would give a negative result. Moreover, they are more reliable if you have used them before and your test has been positive in your previous cycles.

Certain conditions like PCOS (polycystic ovary syndrome) and premature ovarian insufficiency in which the test is unreliable and can give false results. If you are diagnosed with any of these conditions, the result could be false in your case. Further, I would also like to stress that neither ovulation kits nor apps for tracking periods are 100 % accurate in detecting ovulation. If you are trying to conceive, I suggest you take into account the following:

1) Note the last day of your periods and predict your ovulation days yourself. For example, if your period's length is 28 to 30 days, your day of ovulation will be around the 14th to 18th day, but these are the approximate dates to give your an idea of when you will ovulate. You can yourself calculate the day of your ovulation. Just subtract 14 days from your expected periods to get an approximate idea of your ovulation.

2) Look for the signs of ovulation as an excessive vaginal discharge that has recently increased in volume, is stretchy, and contains slippery mucus.

3) Intercourse done on every alternate day maximizes the chances of pregnancy, especially around a fertile period. The highest pregnancy rates are found in couples who have intercourse every one or two days, ensuring that a fertile period falls within it.

Your ovulation test is negative, most probably because ovulation is delayed or prevented because you have already taken the morning pill earlier in the cycle. However, if you are very keen on getting pregnant, then keep using the ovulation kit until you get positive, or else the best way is to start tracking your ovulation from the next cycle and follow the advice mentioned above.

Kindly revert in case of further queries.

Thank you.

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