My periods have been absent for two years, most likely due to sudden weight loss. I have regained the weight since then but the periods still haven't returned. My doctor recently put me on Marvelon to help kickstart them. A week after I started taking it, I began to experience symptoms such as nausea, bloating, insomnia, extreme moodiness and irritability... Just before I started the Marvelon, I had a full blood test confirming that I was NOT pregnant and that I could therefore start the pill... My question is, how soon after conception would I feel any symptoms and how soon after conception would a blood test confirm pregnancy? I know the first missed period is usually a good indicator in a healthy female, but in my case, this obviously does not cut it...
Usually about 10-12 days after conception is the earliest you're going to receive a reliable pregnancy test. But since you don't have regular periods, this could be a longer or shorter time frame for your body. I'd probably wait at least 14 days, if only to spare myself the agony of false negative tests (before your body is making enough hcg to be detected by an HPT). Your doctor or a lab can do a quantitative blood test pretty early, too, that will give you an hcg number.
If you had a blood test before starting the pill, I would take that as being pretty accurate. I'm not sure exactly how early it can detect pregnancy, but I know it's far earlier than a hpt, and at 10-12 days post-conception, that's pretty early to begin with! You probably wouldn't begin to feel any pregnancy symptoms (especially if you've never been pregnant before) until at least 4 weeks after conception (however, everyone is different, so it's possible to have some symptoms sooner--like frequent urination!).
If you're really concerned, I would ask the dr for another blood test to confirm that you're not, but the symptoms you're experiencing are probably from the pill. I was on that pill awhile back, and had a whole host of side affects.
Whiskers
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