Is It Possible to Get Pregnant After Trigger Shot and Hormonal Changes?

Is it possible to become pregnant?

Hello Doctor, I have a few questions.

1.
I administered the ovulation trigger shot on July 4th between 10 and 11 AM.
On the evening of July 5th and close to midnight on July 6th, I engaged in intercourse.

2.
On July 10th, I noticed brown discharge when I wiped (once), and on July 11th, I saw pink streaks (once).
On July 12th, I observed pink streaks at different times (three times).
Could this be related to the progesterone I started taking after July 5th?
3.
On the afternoon of July 11th and throughout July 12th, I felt a lot of discomfort and heaviness in my abdomen, sometimes with sharp pains.
On the night of July 11th, I took a home pregnancy test and saw one faint line and one darker line (the faint line was quite noticeable, but I checked it after some time).
However, I later learned that it is recommended to wait 12-14 days after the ovulation trigger shot for a more accurate result.
I tested early at 7 days post-trigger; does this mean my chances of pregnancy are high, or could the progesterone be causing the endometrium to shed early, leading to an earlier onset of menstruation? My next period is expected on July 23rd.

4.
On the morning of July 12th, I woke up with a slight sore throat.
If I am uncertain about being pregnant, can I take cold medication?

Miss Lin, 30~39 year old female. Ask Date: 2024/07/12

Dr. Cao Guotao reply Obstetrics and Gynecology

Hello, it could possibly be implantation bleeding.
To determine if you are pregnant, it's advisable to observe your symptoms.
If your period is due and hasn't arrived, that would be a more accurate time to take a pregnancy test.
Wishing you good health.

Reply Date: 2024/07/12

More Info

The question you've posed touches on several important aspects of reproductive health, particularly concerning the effects of hormonal treatments and the timing of potential pregnancy after receiving a trigger shot, commonly used in assisted reproductive technologies.
To begin with, a trigger shot, typically containing human chorionic gonadotropin (hCG), is administered to induce ovulation. This shot is crucial for timing intercourse or insemination to maximize the chances of conception. After the trigger shot, ovulation usually occurs within 36-40 hours, which aligns with your timing of intercourse on July 5 and 6. The presence of brown or pink discharge you observed on July 10 and 11 could be attributed to several factors, including implantation bleeding, which can occur when a fertilized egg attaches to the uterine lining. However, it could also be related to hormonal fluctuations caused by the trigger shot and the subsequent administration of progesterone (yellow body hormone).

Progesterone is often prescribed after ovulation to support the uterine lining and maintain a potential pregnancy. The symptoms you describe, such as abdominal discomfort and spotting, could indeed be influenced by the hormonal changes from the progesterone. Spotting can sometimes occur as a side effect of hormonal treatments, and it does not necessarily indicate the onset of menstruation.
Regarding your concerns about the timing of your pregnancy test, it is generally recommended to wait at least 14 days after the trigger shot for more accurate results. Testing too early can lead to false negatives, as the body may not have produced enough hCG from a potential pregnancy to be detected. The faint line you observed could be a result of residual hCG from the trigger shot rather than a definitive indication of pregnancy.

As for your discomfort and the potential need for medication, it is crucial to be cautious. If you are unsure about your pregnancy status, it is advisable to avoid taking any medications, including over-the-counter cold medications, until you can confirm whether you are pregnant. Some medications can pose risks during pregnancy, so consulting with a healthcare provider is essential.

In summary, while the timing of your intercourse and the hormonal treatments you are undergoing align with the possibility of pregnancy, the symptoms you are experiencing could be attributed to hormonal changes rather than definitive signs of pregnancy. It is best to wait until the recommended time to take a pregnancy test and consult with your healthcare provider regarding any medications you may need to take in the meantime. If you have further concerns or if your symptoms worsen, seeking medical advice promptly is advisable.

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