Menstrual Induction Injections: Your Questions Answered - Obstetrics and Gynecology

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Menstrual induction injection issues?


Hello, Doctor.
My last menstrual period was on June 27.
I had intercourse with my husband on July 7, July 13, July 20, and July 21, all while using condoms, and I have checked to confirm that they did not break.
However, on July 20, I did remove the condom, but my husband did not ejaculate that day.
I was supposed to get my period on July 25, but it has not arrived.
Therefore, on July 31, I went to a gynecology clinic for evaluation, where I underwent a transvaginal ultrasound.
The doctor mentioned that I might be experiencing delayed ovulation and administered a medication to induce menstruation.
I would like to know if I should take a pregnancy test if I do not get my period within two weeks after the injection, or is there still a possibility of pregnancy? Additionally, starting July 28, I have been experiencing diarrhea and abdominal bloating and pain.
Could this affect my menstrual cycle?

Hsu, 20~29 year old female. Ask Date: 2019/08/01

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, if you haven't had your period for two weeks, it's advisable to take a pregnancy test, although the chances of being pregnant may not be high.
Symptoms like diarrhea and abdominal discomfort may not be related to your menstrual cycle.
Wishing you good health.

Reply Date: 2019/08/01

More Info


Understanding menstrual induction injections and their implications can be quite complex, especially when considering the timing of your menstrual cycle, potential pregnancy, and the effects of any medications or health conditions you may be experiencing.
From your description, it appears that you had your last menstrual period on June 27, and you engaged in protected intercourse on several occasions in July. You mentioned that you used condoms and confirmed they did not break, which significantly reduces the likelihood of pregnancy. However, you also noted that there was an instance where the condom was removed, although your partner did not ejaculate. This situation can still raise concerns about potential pregnancy, albeit the risk is low.

Your expected period was on July 25, but it did not arrive, prompting you to seek medical advice on July 31. The doctor performed an ultrasound and suggested that you might be experiencing delayed ovulation, which can happen for various reasons, including stress, hormonal imbalances, or changes in your routine. The administration of a menstrual induction injection (often containing hormones like progesterone) is a common approach to stimulate the onset of menstruation when a delay is observed.

Regarding your question about pregnancy testing after receiving the injection, it is generally advisable to wait at least two weeks after the injection to see if your period arrives. If your period does not come within that timeframe, taking a pregnancy test would be a prudent step. This is because the hormones from the injection can sometimes cause changes in your cycle, and it may take some time for your body to respond.
As for your symptoms of diarrhea and abdominal discomfort starting on July 28, these could be unrelated to your menstrual cycle or the injection. Gastrointestinal symptoms can arise from various factors, including dietary changes, stress, or infections. While these symptoms can sometimes affect your overall well-being, they typically do not directly influence the timing of your menstrual cycle. However, if you are experiencing significant discomfort or if these symptoms persist, it would be wise to consult your healthcare provider for further evaluation.

In summary, after receiving a menstrual induction injection, it is advisable to wait two weeks to see if your period arrives before taking a pregnancy test. If your period does not come and you have concerns about potential pregnancy, testing would be appropriate. Additionally, monitor your gastrointestinal symptoms, and if they continue or worsen, seek medical advice. It's essential to maintain open communication with your healthcare provider regarding any concerns you may have about your menstrual health or overall well-being.

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