Birth control or contraception is described as the use of devices or practices that prevent the union of sperm and egg.

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Chapter 46, Problem 16TYK

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Introduction: Birth control or contraception is described as the use of devices or practices that prevent the union of sperm and egg.

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How do tubal ligations and vasectomies prevent further pregnancies? Select one: a. The corpus luteum and the epididymis are suppressed using a chemical swab. The fertilized egg could no longer implant in the endometrium. b. The Fallopian tubes and vas deferens are cut and tied off, thereby preventing the movement of the eggs and sperm. c. The Fallopian tubes and the vas deferens are cut. Eggs and sperm can no longer be produced. d. The Fallopian tube and vas deferens are cut and tied off, thereby reducing needed reproductive hormone levels.

Which of the following is not a mechanism on how contraceptive pills work to prevent pregnancy? A. thinning the endometrium to prevent implantation B. inhibition of follicular development and suppression of ovulation C. progesterone inhibits the sperm from penetrating through the cervix and female upper tract by making the cervical mucus unfriendly D. stimulates the production of high testosterone levels

How can PID (pelvic inflammatory disease) lead to infertility in women? Select one: a. PID can lead to scar tissue developing on the Fallopian tube. This prevents the egg and the sperm from meeting, causing infertility. b. PID prevents the endometrium from forming. There is not enough material for the fertilized egg to implant itself. c. PID leads to scar tissue on the corpus luteum. This disrupts ovulation. d. PID affects the cervix. This causes the cervix to swell, decreasing the chance a sperm could pass into the uterus.