title: Re: Pregnancy after microinsert sterilization with tubal occlusion confirmed by hysterosalpingogram.
authors.forename: John E
authors.initials: JE
authors.lastname: Nichols
mesh_terms: D003274:Contraceptive Devices, Female; D004868:Equipment Failure; D005260:Female; D006801:Humans; D007047:Hysterosalpingography / Q000379:methods*; D019300:Medical Errors; D011247:Pregnancy; D049168:Pregnancy, Unplanned; D013246:Sterilization, Tubal / Q000295:instrumentation* / Q000379:methods