Lesson Flashcards: Contraception Biology

Progesterone

A sex hormone, primarily produced by the ovaries, that thickens the uterine lining in preparation for an embryo to implant

Contraceptive effectiveness

The degree to which contraceptive methods are successful in preventing pregnancy

Fallopian tubes (oviducts)

The tubes that an ovum (egg cell) will pass through when traveling from the ovaries to the uterus

The rhythm method of contraception

A form of contraception that involves abstaining from sexual intercourse only when a female ovulates

Vagina

A muscular tube in the female reproductive system that extends from the external genitalia to the cervix

Barrier methods of contraception

Methods of physically blocking a sperm cell from reaching and, therefore, fertilizing an egg cell

Typical use of contraception

The effectiveness of contraceptive methods when they are used with normal human error

Conception

The fertilization of an egg by a sperm cell in humans, which typically leads to pregnancy

Cervix

The structure that connects the uterus to the vagina

Contraceptive implant

A small plastic device that is implanted under the skin of the upper arm where it releases artificial hormones, such as artificial progesterone, directly into the bloodstream

Combined contraceptive pill

A method of contraception that involves swallowing a tablet that contains artificial versions of the estrogen and progesterone hormones

Egg cell (ovum)

The female reproductive cell, or gamete

Uterus (womb)

A hollow organ in the female’s pelvis in which an embryo can grow and develop

Vasectomy

The name of the sterilization procedure performed on a man

Zygote

A diploid cell resulting from the fusion of two haploid gametes

Pregnancy

The period during which a fetus develops within the mother’s uterus

Abstinence

The name given to the refraining from some or all aspects of sexual activity and the most certain method of preventing a woman from becoming pregnant

Tubal ligation

The name of the sterilization procedure performed on a woman

Estrogen

A sex hormone, primarily produced by the ovaries, that controls ovulation and the development of secondary sexual characteristics in females

Contraceptive injection

An injection that delivers artificial hormones directly into the bloodstream and must be administered by a medical professional every one to three months

Vas deferens

A duct in the male reproductive system that transports sperm cells from the epididymis to the urethra

Sterilization

A medical procedure that involves cutting and tying shut the vas deferens in a male or the cutting and tying shut the fallopian tubes in a female

Condom

A barrier method of contraception, which is usually made of a thin layer of latex that fits the male’s penis

Contraception

The use of methods to prevent fertilization and pregnancy

Perfect use of contraception

The effectiveness of contraceptive methods when they are used exactly as instructed and without any human error

Contraceptive diaphragm

A dome that is often made of latex that covers the cervix and must be used in combination with spermicidal gel that kills or disables the movement of any sperm that reaches it

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