Menstrual Irregularities: Causes and Concerns for Women

Menstrual issues

Doctor, my last menstrual period was from July 14 to July 18, and it was a bit lighter than usual.
Could this be due to the medication I took to induce my period at the end of May? As of today, September 3, my period is still absent, which is over 20 days late.
I did not have any genital contact with my boyfriend in July and August, except for manual stimulation, and he was wearing pants.
I would like to ask if the emergency contraceptive pill I took in April and the medication to induce my period in May could have caused my menstrual irregularities.
Can I rule out the possibility of pregnancy since we did not have any genital contact, and I already have a history of irregular periods?

Niming, 20~29 year old female. Ask Date: 2019/09/03

Dr. Huang Jianzhong reply Obstetrics and Gynecology

The last menstrual period was from July 14 to July 18, and the flow was somewhat lighter.
Could this be due to the menstrual induction medication I took at the end of May? As of today, September 3, my period is still absent, which is over 20 days late.
In July and August, there was no genital contact with my boyfriend, only manual stimulation while he was wearing pants.
I would like to ask the doctor if taking emergency contraception in April and the menstrual induction medication in May could have caused my subsequent menstrual irregularities.
Can I rule out the possibility of pregnancy since there was no genital contact and I already have a history of irregular periods? Yes, pregnancy can be ruled out.

Reply Date: 2019/09/03

More Info

Menstrual irregularities can be a source of concern for many women, and understanding the underlying causes is essential for addressing these issues effectively. Based on your description, it appears that you have experienced a series of menstrual irregularities, including a delayed period and changes in menstrual flow. Let's delve into the potential causes and concerns related to your situation.

Firstly, it is important to note that hormonal fluctuations can significantly impact menstrual cycles. The use of medications such as emergency contraceptive pills (commonly referred to as "morning-after pills") and menstrual induction medications can disrupt the normal hormonal balance in the body. Emergency contraceptive pills contain hormones that can delay or alter ovulation, and they may lead to changes in the menstrual cycle, including lighter or heavier periods, or even missed periods altogether. In your case, taking menstrual induction medication in May could have contributed to the irregularities you are experiencing now.

Additionally, stress, lifestyle changes, and significant weight fluctuations can also affect menstrual cycles. Stress can lead to hormonal imbalances, which may result in delayed menstruation or changes in the menstrual flow. If you have experienced any significant stressors in your life recently, this could be a contributing factor.
Regarding your concerns about pregnancy, it is reassuring to note that you have not had direct genital contact with your partner, and both of you were fully clothed during the interactions you described. While it is theoretically possible for sperm to be transferred through manual stimulation, the likelihood of pregnancy in such circumstances is extremely low, especially if there was no direct contact with bodily fluids. However, if you are still concerned about the possibility of pregnancy, taking a home pregnancy test can provide clarity.

Given that you have a history of irregular menstrual cycles, it is also essential to consider other potential underlying conditions that could be affecting your menstrual health. Conditions such as polycystic ovary syndrome (PCOS), thyroid disorders, or other hormonal imbalances can lead to irregular periods. If your menstrual irregularities persist, it would be advisable to consult with a healthcare provider for a thorough evaluation, which may include blood tests to assess hormone levels and an ultrasound to examine the ovaries and uterus.

In summary, your recent menstrual irregularities could be attributed to the hormonal effects of medications you have taken, stress, or other lifestyle factors. While the likelihood of pregnancy appears low based on your description, if you continue to experience irregularities or have concerns, seeking medical advice is crucial. A healthcare provider can help identify any underlying issues and recommend appropriate treatment options to help regulate your menstrual cycle and address any other health concerns you may have. Remember, maintaining open communication with your healthcare provider is key to managing your menstrual health effectively.

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