Pregnancy Chances After Unprotected Intercourse - Obstetrics and Gynecology

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Understanding the chances of pregnancy after unprotected intercourse can be a complex topic, especially when considering various factors such as timing in the menstrual cycle, the nature of the sexual activity, and individual health conditions.
In your case, you mentioned that you had unprotected intercourse on February 23, and your last menstrual period started on February 9. This places you within a potential fertile window, as ovulation typically occurs around 14 days after the start of your last period in a regular 28-day cycle. However, since you have a longer cycle averaging 34 days, ovulation might occur later, around day 20 or so. This means that if you had intercourse on February 23, you could be close to your ovulation period, which increases the chances of pregnancy.

The fact that there was no penetration and no ejaculation significantly reduces the likelihood of pregnancy. However, it is important to note that pre-ejaculate fluid (pre-cum) can contain sperm, and if any sperm were present, there is still a small chance of pregnancy. The risk is further mitigated by the short duration of the sexual activity you described.

Regarding your symptoms of abdominal pain and perineal discomfort, these could be related to various factors, including ovulation pain (mittelschmerz), premenstrual syndrome (PMS), or other gynecological issues. It is not uncommon for women to experience discomfort during their menstrual cycle, especially around ovulation or menstruation. However, if the pain is severe or persistent, it would be advisable to consult a healthcare provider for a thorough evaluation.

In terms of calculating the probability of pregnancy, it is difficult to provide a precise percentage without more specific information about your cycle and health. Generally, the chances of pregnancy from unprotected intercourse during the fertile window can range from 15% to 30%, depending on various factors. However, given the circumstances you described, the likelihood is likely on the lower end of that spectrum.

If you are concerned about the possibility of pregnancy, consider taking a home pregnancy test if your period is late or if you experience any unusual symptoms. Home pregnancy tests are most accurate when taken after a missed period, as they measure the hormone hCG (human chorionic gonadotropin), which is produced after a fertilized egg implants in the uterus.

In summary, while there is a possibility of pregnancy given the timing of your intercourse, the specific circumstances you described (lack of penetration and ejaculation) significantly lower that risk. If you continue to experience discomfort or have concerns about your menstrual cycle or potential pregnancy, it is always best to consult with a healthcare professional for personalized advice and care.