coitus interruptus

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Definition

Noun: A method of birth control in which sexual intercourse is begun but the penis is intentionally withdrawn from the vagina before ejaculation occurs.

Usage

This term is used in formal, medical, and technical contexts to describe a specific contraceptive practice. It is often discussed in relation to family planning, sexual health, and the effectiveness of various birth control methods.

Examples
  • The couple practiced as their primary form of contraception.
  • is one of the oldest known methods of birth control.
  • The doctor explained that is less effective at preventing pregnancy than many modern contraceptive options.
Advanced Usage
  • Technical/Efficacy Discussion: The term is frequently used in medical literature when comparing the failure rates of different contraceptive methods.
    • Studies on the efficacy of coitus interruptus show a wide range of failure rates depending on correct and consistent use.
Variants and Related Words
  • Withdrawal Method: A more common, less formal synonym for .
    • Many people refer to coitus interruptus simply as the "withdrawal method."
Synonyms
  • Withdrawal (method): The act of withdrawing the penis before ejaculation to prevent pregnancy.
  • Pull-out method: A very informal, colloquial synonym.
Notes on Meaning

This term refers strictly to the described contraceptive technique. It is not used to describe interrupted intercourse for other reasons (e.g., distraction, discomfort). Its effectiveness is highly dependent on the man's control and timing.

Noun
  1. a method of birth control in which coitus is initiated but the penis is deliberately withdrawn before ejaculation

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