Prometrium is given to treat luteal phase defect, but there really is no evidence that we are able to diagnose luteal phase defect, or that luteal phase defect causes recurrent pregnancy loss. Luteal phase defect as a cause of recurrent miscarriages is something that we have talked about for decades, but without any good proof. In a normal menstrual cycle, your own ovaries do not start to produce progesterone until after you ovulate.
if you are on prometrium because of a luteal phase defect, often caused by low progesterone, then it would make your luteal phase longer, which increases time between periods. Hope that helps a little to answer your question.
Does anyone else know much about progesterone supplements? My dr. put me on them after 2 early miscarriages. I had a normal, healthy pregnancy (daugter 18 months) and since have had trouble carrying a pregnancy. My first cycle on prometrium, my cycle was 35 days with 19 day luteal phase. This cycle I'm at day 38 and counting with a 20 day luteal phase so far. I took a HPT yesterday and got a negative. I stopped taking the progesterone last night, although woke up with 99.0 temp (.
While taking Prometrium for luteal phase defect, I got several faint positives on home pregnancy tests. But then I began bleeding (light but steady full flow). So I stopped taking the prometrium. I've been bleeding for a few days now--still more than spotting though less than before. But I decided to take another home pregnancy test anyways because something felt funny. Two different brands of test were positive, darker than before but still quite faint. What do I do now?
Now as it raises the progesterone it can delay your period if you are not pregnant as during the luteal phase (after ovulation) your progesterone will decrease and estrogen levels will rise talling your body to shed the uterine lining causeing yoru period to occur. When you take suppliments the progesterone stays up and may not fall till stopped. That is why you are always to have a beta hCG blood draw on the 32-33 day of your cycle to see if pregnancy has taken place.
If your periods are short, then it could be that you have a luteal phase defect. The luteal phase is the time between ovulation and your next period. The average is two weeks (hence why I said you get your period 2 weeks after ovulation). A luteal phase of less than 10 days means you won't be able to conceive as there isn't enough time for the fertilized embryo to implant and let your body know of its existence.
This could be done by doing ovulation tests and once you get your positive, measuring the length of time unitl you get your period - the normal length of a luteal phase is 12-16 days, generally around 14-15 days - if this is the case for you -I would definitely say you do not have a luteal phase defect - but if your luteal phase is less than 12 days - then yes you may have a progesterone problem stemming from this.
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