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Does norethisterone delay pregnancy?

14 March, 2005

Question:

I got married nearly 7month ago bh. Before my wedding, I took norethisterone pills (Primolut Nor) for 3 weeks. I took 2-3 pills every day.

Before I got married my periods were quite regular 5 week interval. My 1st period after we got married was 47 days – naturally I thought I was pregnant. I took a pregnancy test and was utterly disappointed to see I was not. My next few periods were all similar in date.

I just got my period after 33 days which was quite a shock, but my husband pointed out that maybe the pills were in my system until now and 33 days used to be a normal length of time in between periods before I got married. Is it possible this contraception pill can delay pregnancy, as I did take quite a high dose? Thank you!


Answer:

The effects of Norethisterone can remain in the body for a few months.  It now sounds as though its effects have now worn off.

It is normal for it to take one year for a young couple to conceive. If your cycle continues to be regular (around 5 weeks), you should discuss this with your doctor if you do not become pregnant within a year. If your cycles continue to be very prolonged, then you should consult sooner.


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