Pregnancy Chances After Protected and Non-Penetrative Sex - Obstetrics and Gynecology

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When assessing the risk of pregnancy after engaging in both protected and non-penetrative sexual activities, it's essential to consider several factors, including the timing of ovulation, the nature of the sexual activities, and the effectiveness of the contraceptive methods used.

In your case, you mentioned that on March 2, you had penetrative sex with your boyfriend while using a condom, and he withdrew before ejaculation. This method, known as withdrawal or "pulling out," can reduce the risk of pregnancy, but it is not foolproof. The effectiveness of condoms is generally high when used correctly, with a failure rate of about 2% with perfect use and about 18% with typical use. Since you used a condom and he withdrew, the chances of pregnancy from this encounter are quite low.

On March 4, you engaged in non-penetrative sexual activities, which included only touching and fondling, with the concern that some semen may have dripped onto the bed. The likelihood of pregnancy from non-penetrative sex is significantly lower than from penetrative sex, especially if there was no direct contact with the vaginal area. Sperm can survive outside the body for a short period, but the chances of sperm traveling from a surface to the vaginal canal and resulting in pregnancy are minimal.
Given that your ovulation date was March 1, and considering the timing of your sexual activities, the risk of pregnancy appears to be quite low. Sperm are most viable for fertilization within a few days before and after ovulation. Since your sexual activities occurred after your ovulation window, the likelihood of conception is further reduced.

However, if you are still concerned about the possibility of pregnancy, you might consider taking a home pregnancy test if your period is late. Most home pregnancy tests are accurate about a week after a missed period. Additionally, if you are anxious about potential pregnancy and are within 72 hours of the unprotected exposure, you could consider emergency contraception, which can help prevent pregnancy after unprotected intercourse.

It's also important to note that if you are sexually active, discussing contraceptive options with your healthcare provider can help you find a method that suits your lifestyle and provides you with peace of mind. There are various forms of contraception available, including hormonal methods (like the pill, patch, or IUD) and barrier methods (like condoms), which can be used to prevent pregnancy effectively.

In summary, based on the information provided, the chances of pregnancy from your described activities are low. However, if you have further concerns or if your period is late, it would be wise to take a pregnancy test or consult with a healthcare professional for personalized advice.