coitus in·ter·rup·tus ( n t -r p ts)n. Sexual intercourse deliberately interrupted by withdrawal of the penis from the vagina prior to ejaculation. Also called onanism. |
coitus interruptus.
See withdrawal method.
coitus [ko´ĭ-tus]
sexual union by vagina between male and female; usually applied to the mating process in human beings. adj., adj co´ital.
coitus incomple´tus (coitus interrup´tus) coitus in which the penis is withdrawn from the vagina before ejaculation, a widely used but unreliable method of contraception.
coitus reserva´tus coitus in which ejaculation of semen is intentionally suppressed.
coitus interruptus
A form of natural family planning in which the man's orgasm and ejaculation are an out-of-body experience. See Contraception, Natural family planning, Pearl index.
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