Contraception in the perimenopausal years.
D000032:Abortion, Therapeutic; D000328:Adult; D000375:Aging; D003267:Contraception / Q000379:methods*; D003274:Contraceptive Devices, Female; D003276:Contraceptives, Oral / Q000009:adverse effects; D005260:Female; D006801:Humans; D008074:Lipoproteins / Q000097:blood; D008593:Menopause; D008875:Middle Aged; D011247:Pregnancy; D013246:Sterilization, Tubal
D003276:Contraceptives, Oral; D008074:Lipoproteins