Archive:Contraception: Difference between revisions
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The term, 'contraception' derives from the Latin 'contra' and the word 'conception'. Contraception is [[birth control]] which is intended to prevent [[Conception_(biology)|conception]]. Any procedure or device which would keep a sperm cell from fertilizing the egg can be considered to be contraception. [[Barrier contraception]] methods prevent pregnancy by physically preventing sperm from entering the uterus. [[Spermicide]] is a substance that kills sperm, inserted vaginally prior to intercourse to prevent pregnancy. [[Hormonal contraception]] is birth control that acts on the hormonal system. It may cause ovulation to cease, preventing the possibility of fertilization or it may thicken the woman’s cervical mucus, making penetration of the uterus by sperm more difficult. Hormone based birth control can also alter and thin the endometrium so that a fertilized egg has difficulty implanting. Technically, if the drug works in this fashion, it acts as a contragestive rather than a contraceptive, since it has not prevented conception, acting instead to prevent gestation. [[ | The term, 'contraception' derives from the Latin 'contra' and the word 'conception', which is the more correctly . Contraception refers both to the prevention of fertilization and to the means which one uses to prevent fertilization avoidance of is [[birth control]] which is intended to prevent [[Conception_(biology)|conception]]. Any procedure or device which would keep a sperm cell from fertilizing the egg can be considered to be contraception. | ||
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==Contraceptive Birth Control== | |||
==Contraceptive Devices== | |||
[[Barrier contraception]] methods prevent pregnancy by physically preventing sperm from entering the uterus. | |||
==Chemical Contraceptives== | |||
[[Spermicide]] is a substance that kills sperm, inserted vaginally prior to intercourse to prevent pregnancy. [[Hormonal contraception]] is birth control that acts on the hormonal system. It may cause ovulation to cease, preventing the possibility of fertilization or it may thicken the woman’s cervical mucus, making penetration of the uterus by sperm more difficult. Hormone based birth control can also alter and thin the endometrium so that a fertilized egg has difficulty implanting. Technically, if the drug works in this fashion, it acts as a contragestive rather than a contraceptive, since it has not prevented conception, acting instead to prevent gestation. | |||
==Surgical Contraception== | |||
Another form of contraception is [[Sterilization_(surgical_procedure)|sterilization]]. | |||
==Behavioral Contraception== | |||
[[Fertility awareness]] refers to a set of practices used to determine the fertile and infertile phases of a woman's menstrual cycle. When used as a methods to avoid pregnancy, it to is a form of contraception. Any agent which interfere with male fertility may be classified as a [[male contraceptive]]. | |||
==Emergency Contraception== | |||
[[Emergency contraception]] refers to contraceptive measures that, if taken after sex, may prevent pregnancy. As is the case with hormone based birth control, emergency contraception refers to some forms of birth control which are technically contragestives. | |||
Revision as of 13:48, 14 May 2009
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The term, 'contraception' derives from the Latin 'contra' and the word 'conception', which is the more correctly . Contraception refers both to the prevention of fertilization and to the means which one uses to prevent fertilization avoidance of is birth control which is intended to prevent conception. Any procedure or device which would keep a sperm cell from fertilizing the egg can be considered to be contraception.
Contraceptive Birth Control
Contraceptive Devices
Barrier contraception methods prevent pregnancy by physically preventing sperm from entering the uterus.
Chemical Contraceptives
Spermicide is a substance that kills sperm, inserted vaginally prior to intercourse to prevent pregnancy. Hormonal contraception is birth control that acts on the hormonal system. It may cause ovulation to cease, preventing the possibility of fertilization or it may thicken the woman’s cervical mucus, making penetration of the uterus by sperm more difficult. Hormone based birth control can also alter and thin the endometrium so that a fertilized egg has difficulty implanting. Technically, if the drug works in this fashion, it acts as a contragestive rather than a contraceptive, since it has not prevented conception, acting instead to prevent gestation.
Surgical Contraception
Another form of contraception is sterilization.
Behavioral Contraception
Fertility awareness refers to a set of practices used to determine the fertile and infertile phases of a woman's menstrual cycle. When used as a methods to avoid pregnancy, it to is a form of contraception. Any agent which interfere with male fertility may be classified as a male contraceptive.
Emergency Contraception
Emergency contraception refers to contraceptive measures that, if taken after sex, may prevent pregnancy. As is the case with hormone based birth control, emergency contraception refers to some forms of birth control which are technically contragestives.