Contraceptive practice and ectopic pregnancy.
D003267:Contraception; D003268:Contraception Behavior; D004194:Disease; D005193:Family Planning Services; D007434:Intrauterine Devices; D011247:Pregnancy; D011248:Pregnancy Complications; D011271:Pregnancy, Ectopic; D013245:Sterilization, Reproductive
Contraception; Contraceptive Methods--complications; Contraceptive Usage; Diseases; Family Planning; Female Sterilization--complications; Iud--complications; Pregnancy; Pregnancy Complications; Pregnancy, Ectopic; Sterilization, Sexual