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A 48-year-old female asked:

I had iui on day 13, after hcg injection on day 12, then started progesterone suppositarys 400mg, but now i am two days late. if i stop doing suppositarys, how long will it be before period starts, if not pregnant. i was thinking i could be pregnant be

1 doctor answer2 doctors weighed in
Dr. Scott Roseff
Fertility Medicine 40 years experience
It varies: Make sure you have a sensitive pregnancy test done first! if you aren't pregnant and stop your progesterone, it varies when bleeding may start. Could be 1-2 days, could be a week or so. Good luck!
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Last updated Oct 16, 2013

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