Menstrual Delays: What to Do If Your Period Is Late - Obstetrics and Gynecology

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If my menstrual cycle hasn't come and I haven't taken any medication to induce it, besides waiting for my period to arrive, could there be other issues? Also, since my last period was on March 27 and hasn't come since, and I've taken a pregnancy test that came back negative, if I engage in sexual intercourse, is there a possibility of becoming pregnant?

vi, 20~29 year old female. Ask Date: 2004/05/25

Dr. Mao Yikun reply Obstetrics and Gynecology


Hello: If your period is late and you are not pregnant, it could be due to hormonal issues or other problems.
It is recommended that you visit a gynecologist for an examination.
Remember to use contraception, as pregnancy is always a possibility when your period is late.

Reply Date: 2004/05/25

More Info


When it comes to understanding menstrual delays, it's important to recognize that various factors can contribute to a late period, and not all of them are related to pregnancy. If your menstrual cycle is late and you have confirmed that you are not pregnant, there are several considerations to keep in mind.

Firstly, menstrual cycles can be influenced by a variety of factors, including stress, changes in weight, hormonal imbalances, and underlying health conditions. Stress, for instance, can significantly impact your hormonal balance, leading to delays in ovulation and, consequently, your period. If you have experienced significant life changes, emotional stress, or physical stress (such as illness or changes in exercise routines), these could be contributing factors.

Additionally, changes in body weight—either weight gain or loss—can also affect your menstrual cycle. A sudden change in diet or exercise habits can lead to hormonal fluctuations that may delay your period. Conditions such as polycystic ovary syndrome (PCOS) or thyroid disorders can also cause irregularities in your menstrual cycle.

If your period is late and you are not pregnant, it is generally advisable to wait a few days to see if it arrives. However, if your period does not come within a week or so, it may be a good idea to consult with a healthcare provider. They can perform a thorough evaluation, which may include blood tests to check hormone levels, and assess for any underlying conditions that may be affecting your menstrual cycle.

Regarding your question about engaging in sexual activity while your period is late, it is important to note that if you are not pregnant and have not been using contraception, there is still a possibility of becoming pregnant if you engage in unprotected sex. Sperm can survive in the female reproductive tract for several days, and if you ovulate after having sex, there is a chance of conception. If you are concerned about pregnancy and do not wish to conceive, it is advisable to use contraception.

In summary, if your period is late and you have ruled out pregnancy, consider factors such as stress, weight changes, and hormonal imbalances. If your period does not arrive soon, or if you have other concerning symptoms, seek medical advice. Additionally, if you choose to engage in sexual activity during this time, be aware of the potential for pregnancy and consider using protection if that is a concern for you. Regular check-ups with a healthcare provider can help you maintain a healthy menstrual cycle and address any underlying issues that may arise.

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