Menstrual Irregularities: When to Expect Your Period - Family Medicine

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I don't know when my period will come?


On July 5th, I had sexual intercourse.
My period was supposed to arrive on July 14th, but it didn't come.
On July 29th, around 11 PM, I started experiencing abdominal pain and discomfort, which I hadn't felt before.
Is this pain related to my period?

Enen, 10~19 year old female. Ask Date: 2022/07/29

Dr. Chen Bozhang reply Family Medicine


Hello, En En: In your message, you mentioned that your menstrual period, which was supposed to come, has not arrived on time, and you have been experiencing abdominal discomfort and pain recently.
I recommend that you visit the obstetrics and gynecology outpatient clinic for further examination and consultation.

Reply Date: 2022/07/29

More Info


Menstrual irregularities can be a source of concern for many individuals, especially when they deviate from the expected cycle. In your case, you experienced sexual intercourse on July 5, and your period was anticipated on July 14 but did not arrive. By July 29, you began to feel abdominal pain, which you are questioning whether it is related to your menstrual cycle.

Firstly, it is important to understand that menstrual cycles can be influenced by various factors, including stress, hormonal changes, lifestyle, and health conditions. A typical menstrual cycle lasts about 28 days, but it can range from 21 to 35 days in adults. Delays in menstruation can occur for several reasons, including pregnancy, hormonal imbalances, stress, significant weight changes, or underlying health issues such as polycystic ovary syndrome (PCOS).

Given that you had unprotected sexual intercourse, one of the first considerations should be the possibility of pregnancy. If your period is late, it is advisable to take a home pregnancy test. These tests are generally reliable and can provide you with quick answers. If the test is positive, it would be prudent to schedule an appointment with a healthcare provider for further evaluation and prenatal care.

Regarding the abdominal pain you are experiencing, it could be related to several factors. If it is indeed menstrual cramps, it may indicate that your period is about to start, even if it is delayed. Menstrual cramps are caused by the contraction of the uterus as it sheds its lining. However, if the pain is severe or accompanied by other symptoms such as heavy bleeding, fever, or unusual discharge, it is essential to seek medical attention, as these could indicate other conditions such as an ectopic pregnancy or pelvic inflammatory disease (PID).

If your period does not arrive within a week or two, or if you continue to experience pain, it is advisable to consult a healthcare provider. They can perform a physical examination and possibly order tests such as a pelvic ultrasound or blood tests to determine the cause of your symptoms.

In summary, while it is possible that the abdominal pain you are experiencing is related to an impending menstrual period, it is crucial to consider the possibility of pregnancy given your recent sexual activity. Taking a pregnancy test and monitoring your symptoms will be important steps. If you have any concerns or if your symptoms worsen, do not hesitate to reach out to a healthcare professional for guidance and support. Remember that your health is paramount, and seeking help when needed is always the best course of action.

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