Pregnancy Chances After Unprotected Intercourse and Emergency Contraception

Probability of Pregnancy

If intercourse occurred two days before ovulation without protection, and there was some friction at the vaginal opening without full penetration, the risk of pregnancy is still present, although it may be lower than with full penetration.
Taking emergency contraception approximately 22 hours after the event can significantly reduce the chance of pregnancy.

The increase in discharge and mild abdominal pain the day after taking the emergency contraceptive pill can be common side effects.
Whether or not to take a pregnancy test depends on your level of concern and whether you experience any missed periods or other pregnancy symptoms.
If your period is late or you have any doubts, it would be advisable to take a pregnancy test for reassurance.

Niming, 20~29 year old female. Ask Date: 2022/07/28

Dr. Zhang Kunmin reply Obstetrics and Gynecology

Hello, based on your description, there is still a possibility of pregnancy as long as active sperm is present in the vagina during the ovulation period, regardless of the method of intercourse.
Additionally, early pregnancy may not present specific symptoms, and subjective symptoms alone cannot be used to determine pregnancy.
It is still advisable to take appropriate contraceptive measures, and if necessary, consult a physician for evaluation.
Thank you! Wishing you safety and health.

Dr.
Chang

Reply Date: 2022/07/28

More Info

When it comes to understanding the chances of pregnancy after unprotected intercourse and the use of emergency contraception, several factors come into play. Based on your description, you had unprotected intercourse around the time of ovulation, which is the most fertile period in a woman's cycle. The likelihood of pregnancy is highest during this time, especially if sperm is present in the reproductive tract when an egg is released.

Emergency contraception (EC), such as the morning-after pill, is designed to prevent pregnancy after unprotected intercourse. The effectiveness of EC is highest when taken as soon as possible after the incident, ideally within 72 hours, but some types can be effective up to 5 days post-intercourse. Since you took the emergency contraceptive approximately 22 hours after the intercourse, you maximized your chances of preventing a potential pregnancy.

The symptoms you mentioned, such as increased discharge and mild abdominal pain, are common side effects of emergency contraception. These side effects can occur as your body reacts to the hormones in the medication. It’s important to note that these symptoms do not necessarily indicate pregnancy or the effectiveness of the emergency contraception.

Regarding the necessity of taking a pregnancy test, it is generally recommended to wait at least one to two weeks after the unprotected intercourse or after taking the emergency contraception before testing. This is because it takes time for the hormone hCG (human chorionic gonadotropin), which is produced during pregnancy, to build up to detectable levels in your urine. Testing too early may result in a false negative.

If your next menstrual period is delayed by a week or more, it would be prudent to take a pregnancy test to confirm whether or not you are pregnant. If you experience any unusual symptoms, such as severe abdominal pain, heavy bleeding, or other concerning signs, it is advisable to seek medical attention promptly.

In summary, while the chances of pregnancy exist due to the timing of intercourse, taking emergency contraception significantly reduces that risk. Monitoring your body for changes and waiting for your next menstrual cycle will provide clearer answers. If you have further concerns or experience any unusual symptoms, consulting with a healthcare provider is always a good course of action.

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