Effect of pretreatment with oral contraceptives and progestins on IVF outcomes in women with polycystic ovary syndrome.

STUDY QUESTION Do oral contraceptives (OCs) and progestins impact live birth rate of IVF when used for cycle scheduling in women with polycystic ovary syndrome (PCOS)? SUMMARY ANSWER OCs used for scheduling IVF cycle were associated with lowered rates of pregnancy and live birth after fres...