Pregnancy Chances: Your Questions Answered by Experts

Probability of Pregnancy

Hello doctor, I would like to ask about my situation.
My menstrual period started on March 6th, and I had intimate contact on April 4th (but there was no penetration, only ejaculation on my thigh).
The next day, I took emergency contraception.
I experienced bleeding on April 12th, and on April 18th, a pregnancy test showed negative results.
I tested again on May 5th, and it was also negative.
On May 18th, I had some bleeding (I’m not sure if it was my period; I had abdominal pain on the first day), but by the fourth day, it was almost gone.
I tested for pregnancy again on May 22nd, and it was negative.
On May 25th, I visited a gynecologist for a pregnancy test, and the doctor determined I was not pregnant within three minutes.
Is this normal? I also tested for pregnancy on June 14th, and it was negative.
Is it possible to still not have a positive result after such a long time?

Miao Miao, 10~19 year old female. Ask Date: 2018/06/21

Dr. Zhang Kunmin reply Obstetrics and Gynecology

Hello, the effects of emergency contraceptive pills on menstruation can vary and may not necessarily result in an earlier or later period.
Based on your description, the likelihood of pregnancy seems low.
It is advisable to monitor your upcoming menstrual cycle, and if necessary, consult a physician for further examination.
Thank you! Wishing you safety and health.
Dr.
Chang

Reply Date: 2018/06/21

More Info

Understanding pregnancy chances and the complexities surrounding conception can be quite challenging, especially when there are various factors at play. Based on your timeline and the events you've described, let's break down your situation and provide some clarity.

First, it's important to note that the timing of ovulation plays a crucial role in conception. Typically, ovulation occurs about 14 days before the start of your next menstrual period. If your cycle is regular and you had your period on March 6, ovulation would likely occur around March 20. Engaging in intimate relations on April 4, while outside of your ovulation window, would generally have a low chance of resulting in pregnancy, especially since you mentioned that there was no penetration.

The use of emergency contraception (the "morning-after pill") the day after your intimate encounter is a significant factor. These pills are designed to prevent ovulation or fertilization and are most effective when taken as soon as possible after unprotected intercourse. Since you took the pill promptly, it would further reduce the likelihood of pregnancy.

Your subsequent experiences of bleeding on April 12 and April 18 could be attributed to several factors. The bleeding on April 12 could be a side effect of the emergency contraception, as these medications can cause changes in your menstrual cycle, including spotting or breakthrough bleeding. The bleeding on April 18, which you described as possibly being your period, could also be influenced by the hormonal changes from the emergency contraception.

The negative pregnancy tests on April 18, May 5, and June 14 indicate that, based on the information provided, it is highly unlikely that you were pregnant. Home pregnancy tests are generally very accurate when used correctly, especially after a missed period. If you are testing according to the instructions and still receiving negative results, it suggests that pregnancy is not occurring.

Regarding your question about whether it is normal to not have a positive pregnancy test for such an extended period, the answer is yes, given your circumstances. If you had taken emergency contraception and experienced bleeding, it is likely that your body is adjusting to the hormonal changes, which can sometimes lead to irregular cycles or delayed periods.
If you continue to have concerns about your menstrual cycle, potential pregnancy, or any unusual symptoms, it is advisable to consult with a healthcare provider. They can perform a more thorough evaluation, including blood tests, to rule out any underlying issues and provide personalized advice based on your health history.

In summary, based on your timeline and the use of emergency contraception, it appears that the chances of pregnancy are low. The negative pregnancy tests and the bleeding you experienced are consistent with the effects of the emergency contraceptive and potential changes in your menstrual cycle. If you have further questions or if your symptoms persist, seeking guidance from a healthcare professional is the best course of action.

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