Can You Get Pregnant from Unprotected Sex After Your Period? - Obstetrics and Gynecology

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Can I get pregnant?


If you had unprotected intercourse on February 23 and 24 after your period ended on February 22, there is a possibility of pregnancy.
Sperm can survive in the female reproductive tract for several days, and if ovulation occurs shortly after your period, there is a chance that sperm could fertilize an egg.
If you are concerned about the possibility of pregnancy, consider taking a home pregnancy test or consulting with a healthcare provider for further guidance.

Yuio, 10~19 year old female. Ask Date: 2016/02/25

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, the chances of pregnancy are low.
It is better to take preventive measures for contraception before engaging in sexual activity.
If your period is more than a week late, it is advisable to see a gynecologist.
Wishing you good health.

Reply Date: 2016/02/25

More Info


Yes, it is possible to get pregnant from unprotected sex after your period, especially if you have a shorter menstrual cycle. To understand this better, let’s break down the menstrual cycle and the factors that influence ovulation and fertility.

The average menstrual cycle lasts about 28 days, but it can range from 21 to 35 days in different individuals. Ovulation typically occurs around 14 days before the start of your next period. For someone with a 28-day cycle, ovulation would occur around day 14. However, if your cycle is shorter or longer, the timing of ovulation will shift accordingly.

In your case, if your period started on February 18 and ended on February 22, you would likely be considered to be in your fertile window around February 28 to March 4, depending on the length of your cycle. Engaging in unprotected sex on February 23 and 24 could potentially lead to pregnancy if you ovulate shortly after your period. Sperm can live inside the female reproductive tract for up to five days, so if you ovulate within that timeframe, there is a chance that the sperm could fertilize an egg.

It’s important to note that tracking your menstrual cycle can help you understand your fertility better. If you have irregular cycles, it may be more challenging to predict ovulation accurately. Additionally, factors such as stress, illness, and lifestyle changes can also affect your cycle and ovulation timing.

If you are concerned about the possibility of pregnancy, it is advisable to take a home pregnancy test if your next period is late. Home pregnancy tests are most accurate when taken after a missed period, as they measure the hormone hCG (human chorionic gonadotropin) in your urine, which is produced after a fertilized egg implants in the uterus.

If you are actively trying to avoid pregnancy, consider discussing contraceptive options with a healthcare provider. There are various methods available, including hormonal birth control, barrier methods, and long-acting reversible contraceptives (LARCs) like IUDs, which can provide effective pregnancy prevention.

In summary, yes, you can get pregnant from unprotected sex after your period, especially if it occurs close to your ovulation window. If you have any further questions or concerns about your reproductive health, it’s always a good idea to consult with a healthcare professional who can provide personalized advice based on your specific situation.

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Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, you should not be pregnant. Wishing you good health.

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