Menstrual Induction Injections: Common Questions Answered

Q: Menstrual Induction Injections: Common Questions Answered

My girlfriend's menstrual cycle is quite regular： March 17 to March 23, April 15 to April 21, and May 13 to May 20. <br>We had intercourse on May 22 using a condom, but there was no ejaculation. <br>Her period was expected on June 11, but as of today, June 18, it has not arrived.

Regarding the issue of menstrual induction injections?

Hello doctor, my girlfriend's menstrual cycle has been quite regular: from March 17 to March 23, April 15 to April 21, and May 13 to May 20.
We had intercourse on May 22 using a condom, but there was no ejaculation.
Her period was originally expected on June 11, but today, June 18, it still hasn't arrived.
She took three pregnancy tests from different brands on June 13 and 14, all showing one line.
Then, on June 15 at 3 PM, she went to the gynecologist for an ultrasound.
The doctor said everything looked fine and administered a medication to induce her period.
However, it still hasn't come.
I would like to ask: 1.
Will the medication to induce her period delay her expected menstruation by a few days? 2.
How long after receiving the medication should we expect her period to arrive? 3.
Should I ask the doctor to perform a blood test for pregnancy, or is the current situation sufficient?

Xiao Yu, 20~29 year old female. Ask Date: 2017/06/18

Dr. Huang Jianzhong reply Obstetrics and Gynecology

My girlfriend's menstrual cycle is quite regular: March 17 to March 23, April 15 to April 21, and May 13 to May 20.
We had intercourse on May 22 using a condom, but there was no ejaculation.
Her period was expected on June 11, but as of today, June 18, it has not arrived.
On June 13 and 14, she took three different brands of pregnancy tests, all showing a single line.
Then, on June 15 at 3 PM, she went to the gynecologist for an ultrasound.
The doctor said everything looked fine and administered a menstrual induction injection.
However, her period still has not come.
I would like to ask: 1.
Will the menstrual induction injection delay the expected period by a few days? Answer: Yes.
2.
How long after the injection should we expect her period to arrive? Answer: 3-7 days.
3.
Do I need to ask the doctor for a blood test to check for pregnancy, or is this sufficient? Answer: If her period has not arrived by June 29, she should return to see the gynecologist.

Reply Date: 2017/06/18

More Info

Understanding menstrual induction injections can be quite complex, especially when considering the timing and effects of such treatments. Based on your situation, let’s break down your questions regarding the use of menstrual induction injections and what you can expect.

1. Will the menstrual induction injection delay the expected period?
Menstrual induction injections, such as those containing medications like progesterone or other hormonal agents, are designed to stimulate the onset of menstruation. However, it is possible that the injection could cause a delay in the menstrual cycle, particularly if the body is still adjusting to the hormonal changes. The timing of the menstrual cycle can be influenced by various factors, including stress, hormonal imbalances, and the body’s natural rhythm. Therefore, while the injection is intended to induce menstruation, it may not always result in an immediate response, and some women may experience a delay before their period starts.

2. How long after the injection can one expect their period to arrive?
Generally, after receiving a menstrual induction injection, most women can expect their period to start within a few days to a week. However, this can vary significantly from person to person. Some may experience their period within 48 to 72 hours, while others might take longer. If your girlfriend has not had her period within a week after the injection, it would be advisable to follow up with her healthcare provider for further evaluation. The healthcare provider may want to assess her hormone levels or consider other factors that could be affecting her menstrual cycle.

3. Should I have her take a blood test for pregnancy?
Given that your girlfriend has had a negative home pregnancy test and has undergone an ultrasound that did not show any abnormalities, it may not be immediately necessary to have a blood test for pregnancy. However, if her period does not arrive within a week or if she continues to have symptoms of pregnancy (such as nausea, breast tenderness, or fatigue), it would be prudent to consult her healthcare provider for a blood test. Blood tests are more sensitive than home pregnancy tests and can detect lower levels of the pregnancy hormone hCG, providing a more definitive answer.

In summary, menstrual induction injections can sometimes lead to a delay in menstruation, and the expected onset of the period can vary widely among individuals. If your girlfriend does not have her period within a week of the injection, or if there are any concerns about potential pregnancy, it is best to consult with her healthcare provider for further guidance. They can provide personalized advice based on her medical history and current situation.
Additionally, it’s important to remember that menstrual cycles can be influenced by a variety of factors, including stress, lifestyle changes, and hormonal fluctuations. Keeping track of her cycle and any symptoms she experiences can be helpful for her healthcare provider in determining the best course of action.

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