BPK 140 Chapter Notes - Chapter 8: Tubal Ligation, Vas Deferens, Cauterization
SchoolSimon Fraser University
DepartmentBiomedical Physio & Kines
Course CodeBPK 140
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Chapter 8 – KIN 140
Fertility: Is a mixed blessing for women. It is the ability to reproduce.
Managing Your Fertility
Conception: refers to the fertilization of an ovum by a sperm.
Contraception refers to methods of preventing conception.
Our present methods of contraception fall into 2 categories: reversible methods & permanent methods.
Strictly defined, abstinence means not engaging in intercourse. “Outercourse” means oral sex.
Condom is a sheath of thin latex or other material designed to fit over an erect penis to collect semen
Perfect-use effectiveness rate: The percentage rate of women who will become pregnant in one year
when a contraceptive method is used correctly and consistently.
Typical-use effectiveness rate: The percentage of women who will become pregnant in one year
considered that a contraceptive method is often used incorrectly or inconsistently.
Oral contraceptive pills are pills taken daily for three weeks of the menstrual cycle that prevent
ovulation by regulating hormones.
Progestin-Only Pills or mini-pills contain small doses of progesterone.
Birth Control Patch (Ortho-Evra) which is a patch that contains the hormones progestin and estrogen,
two ingredients also found in birth control pills.
Depo-Provera is an injectable method of birth control that lasts for three months. The main
disadvantage is irregular bleeding.
NuvaRing is a soft, flexible ring inserted into the vagina for three weeks at a time to prevent pregnancy
in the same way that the pill does.
Emergency contraceptive pills can be used when a condom breaks, after a sexual assault, or any time
unprotected sexual intercourse occurs. This is often referred to as “the morning-after pill” which can be
taken up to three days after unprotected intercourse to reduce the risk of pregnancy by 75%.
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