Heart valve replacement.
D003276:Contraceptives, Oral; D005260:Female; D006350:Heart Valve Prosthesis; D006801:Humans; D011182:Postoperative Care; D011183:Postoperative Complications; D011247:Pregnancy; D011249:Pregnancy Complications, Cardiovascular / Q000517:prevention & control*
D003276:Contraceptives, Oral