Is there any chance of pregnancy post sex after Primolut tablets?

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Check if you have taken or recently stopped any medications or hormones, had an illness, strict diet or strenuous exercise, thyroid abnormalities all can delay periods. Wait for a week and have serum beta hCG (blood pregnancy test) to clear pregnancy status. Near menses less fertile period actually, so fewer chances of pregnancy but you have irregular cycles now so better do blood pregnancy test. If the test comes negative have the same course of Primolut (Norethisterone) to have bleeding I would recommend 10 mg twice daily for five days and wait for 1 to 2 weeks for bleeding. On day two of bleeding have all blood test like serum testosterone, serum progesterone, serum prolactin, serum insulin, thyroid function test, LH (luteinizing hormone) and FSH (follicular stimulating hormone) ratio. Transvaginal scan in the day outside periods. Collect all laboratory reports and discuss here or with your gynecologist. Have a check on abnormal hair growth those could be signs of PCOS. Have exercise to have normal BMI, healthy diet with less salt, sugar,and oil.