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Dr. Andrew Rynne
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Are there any side effects of taking Norethisterone during pregnancy?


I am now 20 weeks pregnant, my both scans were totally fine.

By accident I came across Norethisterone use during pregnancy articles. I went on holiday when I was at that time about 4 weeks pregnant and I didnt know it. I was taking this to prevent my period, my GP has never given me advise on the use of the drug and that it can be dangerous.

I am worried now!
Mon, 8 Jan 2018
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OBGYN 's  Response
Hi there, I have understood your concern and I will suggest you the best possible treatment options.
Please do not panic.

Regestrone was taken by you well before the period of organ formation of the baby.
So as such there will be no harmful effect on the baby.

Organogenesis takes place 28 days after fertilization of egg, meaning after 6 weeks of pregnancy.
So please don't worry at all.

I will suggest you to opt for a healthy diet and regular exercise regimen. Start with Folic acid and vitamin B 12 supplements regularly.
This helps to prevent various complications during pregnancy and delivery.
Think positive.
Meditate regularly.
Drink plenty of water in the day.

I hope this helps you.
Dr. Purushottam Neurgaonkar
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