Three most unreliable common contraceptive methods

page views:1 Publication date:2023-04-21

Vaginal douching, or washing the vagina with water or other liquid immediately after intercourse to flush away semen and prevent pregnancy, is unreliable because the washing only covers the vagina. Before flushing, many sperm may have already reached the cervix and uterus. Furthermore, using disinfectant solutions like Dettol to wash the vagina is dangerous, as improper concentration can cause burns or inflammation. Withdrawal, or coitus interruptus, involves the man withdrawing his penis just before ejaculation, releasing semen outside the woman's vagina. This is an old method of contraception used in the past when contraceptives were scarce. While simple, withdrawal is unreliable and has a high failure rate. This is because a small amount of semen may have already entered the vagina before withdrawal. Because ejaculation and impending ejaculation are a continuous action with a very short interval, most men cannot accurately time the process. Consequently, they may not withdraw their penis from the vagina in time just before reaching orgasm, allowing the initial ejaculation of semen to enter the woman's vagina. This initial ejaculation contains the highest concentration of sperm, making pregnancy highly likely. This is the main reason for the failure of withdrawal as a form of contraception. Secondly, a small amount of sperm often enters the vagina before ejaculation. This sperm, which has accumulated in the vas deferens, is released into the urethra during sexual arousal due to vas deferens contraction, and then spills into the vagina with urethral secretions. The rhythm method, also known as safe period contraception, calculates a period of time during which conception is unlikely based on a woman's ovulation period and the survival time of sperm and eggs in the female reproductive tract. Intercourse is then scheduled within this period to achieve contraception. Generally, an egg can survive for 1-2 days after ovulation, while sperm can survive for 2-3 days in the female reproductive tract. Therefore, intercourse 2-3 days before ovulation and 1-2 days after ovulation can result in pregnancy; this period is called the fertile window. Ovulation typically occurs within 2 days before or after day 14 of the menstrual cycle. Therefore, the safe period is approximately 10 days after menstruation and from day 20 after menstruation until the next menstrual period. The closer to menstruation, the greater the likelihood of contraception.

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Three most unreliable common contraceptive methods

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