yah lor, soya bean got estrogen. now when preg, we hv high levels of pregesterone, which is what enable us to conceive, so if there r increased in estrogen levels will make us hv hormonal imbalance. think can update us more when u go for mrs wong's classes.
dazed: aiyo, dun take too many pills. try massage on forehead, top of head, and back of neck, see whether can release some tension on headache.