Pregnancy after unprotected sex can be prevented using emergency contraceptive pills, also known as morning after pills.
They are made of synthetic hormones and the basic mechanism of their action involves disrupting the hormonal patterns required for a pregnancy.
Based on the menstrual cycle of each woman, the pills act differently. They may prevent ovulation or fertilization of egg or prevent attachment of the embryo to the wall of the uterus.
It is said that morning after pills are effective within the first 12 hours (5 days), but the truth is that they are most effective within the first 24 hours.
Overall, the efficiency is considered more than 74% and up to 95%. The number of women who get pregnant despite taking emergency contraceptive pills is just 2%.
Taking emergency contraceptive pills misoprostol precio en bolivia up to 24 hours after unprotected sex prevents 95% of pregnancies, while taking it between 24 and 48 hours later prevents 85 % of pregnancies. If the treatment is started within the first 12 hours, the pregnancy rate is just 1.2%. The effectiveness of the pill declines the longer you wait to use it.
The chances of a pregnancy decrease from 8% to just 1% if the emergency contraceptive pill is taken in the first 72 hours after unprotected sexual intercourse.
The high expectations from morning after pill’s effectiveness were due to early forecasts predicted that the pill would significantly decrease the rates of unwanted pregnancies and subsequent abortions.
Initially, the effectiveness of the pills was greatly exaggerated by pharmaceutical companies to gain financial profits.
Recent studies indicate that morning after pills are not as effective as they were once claimed to be, this has drastically reduced its price, and women are being urged to try other more effective options of emergency birth control.
Take the first dose of emergency contraceptive pill in the first 120 hours after unprotected sex and the second dose within the next 12 hours. You may also take both the pills together as soon as possible after unprotected sexual intercourse.
You must call a physician if you vomit within an hour of taking the morning after pill. Vomiting significantly decreases the effectiveness of emergency contraceptive pills. To avoid nausea and vomiting, take anti-vomiting medication half an hour before you take morning after pill.
While it is difficult to determine the exact effectiveness of a morning after pill, it is definitely better than not doing anything. You should not give up on emergency contraception just because it is not as effective as once predicted.