A.炔雌醇0.03mg+孕二烯酮0.075mg B.炔雌醇0.035mg+屈螺酮3.0mg C.炔雌醇0.035mg+孕二烯酮0.075mg D.炔雌醇0.035mg+左炔諾孕酮0.15mg
A.男用避孕套 B.復(fù)方短效口服避孕藥 C.緊急避孕藥 D.皮下埋植劑
A.4周 B.5周 C.6周 D.7周