We have been struggling with infertility as a couple for five years now, and I have now been prescribed dydrogesterone. Before commencing the use of dydrogesterone, my doctor informed me of a long list of side effects that are all associated with the use of dydrogesterone. I have been taking dydrogesterone for a week now and have had no side effects at all. Does that mean the dydrogesterone is not working?