Can withdrawal (coitus interruptus) lead to pregnancy?
Nov 13, 2020
Source: Cainiu Health
Dr. Sheng Mei
Introduction
Can withdrawal (coitus interruptus) lead to pregnancy?
In theory, withdrawal should prevent pregnancy; however, in practice, we have encountered cases of unintended pregnancy among couples who relied on this method. In fact, during sexual intercourse, males do not release sperm only at the moment of orgasm—small amounts of sperm may be released even before climax, though the quantity is significantly lower than during ejaculation.
Coitus interruptus (withdrawal method) refers to a practice in which the penis is withdrawn from the vagina just before ejaculation, so that semen is ejaculated outside the partner’s body. It is commonly used as a contraceptive method; however, it is unreliable and carries certain health risks. Male orgasm is a brain-mediated, pleasurable emotional experience closely linked to coitus interruptus.
Can pregnancy occur with coitus interruptus?
In theory, coitus interruptus should prevent pregnancy; however, in practice, unintended pregnancies resulting from this method are well documented. During sexual intercourse, males may release sperm even before reaching orgasm—though in smaller quantities than during climax. A single drop of semen contains over 20 million sperm, yet only one sperm is required to fertilize an egg.
Moreover, men cannot always reliably control the timing of withdrawal. Some may delay withdrawal due to the desire to prolong the pleasurable sensation of orgasm, or withdraw too slowly—allowing some semen to enter the vagina before full withdrawal. This increases the risk of pregnancy.
Risks associated with coitus interruptus
1. Neurasthenia
Sexual activity triggers complex physiological and psychological responses, including heightened excitement, mental tension, increased heart rate, and elevated blood pressure. Simultaneously, penile erection results from vascular engorgement and muscular contraction. Abruptly interrupting intercourse at the point of orgasm can adversely affect sexual psychology. Over time, this may lead to sexual neurasthenia, manifesting as premature ejaculation or erectile dysfunction.
2. Anejaculation
During intercourse, sexual excitement peaks just before ejaculation, causing further penile rigidity. Forcibly withdrawing the penis prior to ejaculation disrupts normal neural function—particularly in the central nervous system and the sacral ejaculation centers. Prolonged use of this method may result in functional anejaculation.
3. Diminished sexual desire (hyposexuality)
At the moment of male orgasm, the female partner often has not yet reached sexual satisfaction. Forcibly terminating intercourse and using coitus interruptus causes her sexual arousal to plummet abruptly, resulting in psychological distress. Repeated occurrences may lead to diminished sexual desire.
The above outlines whether pregnancy can occur with coitus interruptus. We hope this information is helpful.
