Pregnancy Chances After Unprotected Intercourse - Obstetrics and Gynecology

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When it comes to understanding the chances of pregnancy after unprotected intercourse, several factors come into play, including the timing of ovulation, the viability of sperm, and individual health conditions. Based on your menstrual cycle, which appears to be regular, we can analyze your situation.

Your last menstrual period (LMP) was from April 21 to April 26, and you had unprotected intercourse on April 30, May 4, May 6, and May 8. Typically, ovulation occurs about 14 days before the start of your next period. If we assume a standard cycle length of around 28 days, ovulation would likely occur around May 5. Given that you had intercourse on May 4, May 6, and May 8, you were within the fertile window, which generally spans from about five days before ovulation to one day after.

Sperm can live inside the female reproductive tract for up to five days, which means that intercourse on May 4 could potentially lead to pregnancy if ovulation occurred shortly after. Therefore, there is a reasonable chance of pregnancy from the intercourse that occurred around your ovulation period.

Regarding your symptoms, such as itchy breasts and abdominal discomfort, these can be early signs of pregnancy, but they can also be attributed to other factors, including hormonal changes related to your menstrual cycle. The presence of light pink discharge could be indicative of implantation bleeding, which occurs when a fertilized egg attaches to the uterine lining, typically around a week after conception. However, it is also possible that this discharge is related to an impending menstrual period.

The negative pregnancy test you took on May 15 could be due to several reasons. It is essential to note that home pregnancy tests are most accurate when taken after a missed period. If you tested too early, the levels of the hormone hCG (human chorionic gonadotropin) might not have been high enough to detect. If your cycle is regular and you expect your period around the end of May, it would be advisable to wait a few more days and test again if your period does not arrive.

In summary, based on the timing of your intercourse relative to your ovulation, there is a significant chance of pregnancy. However, the symptoms you are experiencing could be related to various factors, and the negative pregnancy test may not be conclusive if taken too early. If your period does not come, consider retesting in a few days or consulting with a healthcare provider for further evaluation and guidance. They may recommend a blood test, which can detect pregnancy earlier than a urine test and provide more definitive results.