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Core Concepts in Health, Brief Cover Image
Core Concepts in Health Brief, 9/e
Paul M. Insel, Stanford University, School of Medicine
Walton T. Roth, Stanford University, School of Medicine

Contraception and Abortion


contraceptive  Any agent that can prevent conception; condoms, diaphragms, intrauterine devices, and oral contraceptives are examples.
sexually transmitted disease (STD)  Any of several contagious diseases contracted through intimate sexual contact.
contraceptive failure rate  The percentage of women using a particular contraceptive method who experience an unintended pregnancy in the first year of use.
continuation rate  The percentage of women who continue to use a particular contraceptive after a specified period of time.
oral contraceptive (OC)  Any of various hormone compounds (estrogen and progestins) in pill form that prevent conception by preventing ovulation.
fertility  The ability to reproduce.
Pap test  A scraping of cells from the cervix for examination under a microscope to detect cancer.
intrauterine device (IUD)  A plastic device inserted into the uterus as a contraceptive.
male condom  A sheath, usually made of thin latex (synthetic rubber), that covers the penis during sexual intercourse; used for contraception and to prevent STDs.
ejaculation  An abrupt discharge of semen from the penis after sexual stimulation.
spermicide  A chemical agent that kills sperm.
Diaphragm  A contraceptive device consisting of a flexible, dome-shaped cup that covers the cervix and prevents sperm from entering the uterus.
toxic shock syndrome (TSS)  A bacterial disease usually associated with tampon use, but can also occur in men; symptoms include weakness, cold and clammy hands, fever, nausea, and headache. TSS can progress to life-threatening complications, including very low blood pressure (shock) and kidney and liver failure.
cervical cap  A thimble-shaped cup that fits over the cervix, to be used with spermicide.
douche  To apply a stream of water or other solutions to a body part or cavity such as the vagina; not a contraceptive technique.
abstinence  Avoidance of sexual intercourse; a method of contraception.
fertility awareness method (FAM)  A method of preventing conception based on avoiding intercourse during the fertile phase of a woman's cycle.
sterilization  Surgically altering the reproductive system to prevent pregnancy. Vasectomy is the procedure in males; tubal sterilization or hysterectomy is the procedure in females.
vasectomy  The surgical severing of the ducts that carry sperm to the ejaculatory duct.
tubal sterilization  Severing or in some manner blocking the oviducts, preventing eggs from reaching the uterus.
laparoscopy  Examining the internal organs by inserting a tube containing a small light through an abdominal incision.
hysterectomy  Total or partial surgical removal of the uterus.
abortion  The expulsion or removal of an embryo or fetus from the uterus.
suction curettage  Removal of the embryo or fetus by means of suction; also called vacuum aspiration.
dilation and evacuation (D & E)  The method of abortion most commonly used between 13 and 15 weeks of pregnancy. Following dilation of the cervix, both vacuum aspiration and curettage instruments are used as needed.
sponge  A contraceptive device about 2 inches in diameter that fits over the cervix and acts as abarrier, spermicide, and seminal fluid absorbent.
manual vacuum aspiration  The vacuum aspiration of uterine contents shortly after a missed period using a hand-help syringe.