H. Boehringer

STUDY QUESTION: What is the effect of oestrogen and progesterone at the beginning of the menstrual cycle in delaying entry into the fertile window? SUMMARY ANSWER: Both oestrogen and progesterone contribute to a delay in the onset of the f…

Background: Polycystic ovarian syndrome (PCOS), which is characterized by irregular menstrual cycles, is the most common diagnosis given to affected women. For these women, ovulation induction is the usual course of therapy. Objective: To a…