Does Having Sex During a Late Period Affect Menstrual Cycle and Health? - Obstetrics and Gynecology

Share to:

Does having sexual intercourse during a delayed menstrual period affect the menstrual cycle?


This is the first time I have experienced a missed period.
My last menstrual period was on June 23, and as of August 11, it still hasn't arrived.
I visited a gynecologist for a pregnancy test and an ultrasound, both of which were normal.
The doctor mentioned that it could be due to stress or similar factors causing the delay.
I have been prescribed medication to induce menstruation.
Recently, I have been experiencing lower back pain.
I have had sexual intercourse with my boyfriend, and we always use condoms and check for any breakage.
My period still hasn't come, but we have continued to have sexual intercourse during this time.
Will this affect my menstrual cycle? Is it harmful to my body? Is there still a possibility of pregnancy? Thank you, doctor!

Wenwen, 20~29 year old female. Ask Date: 2022/08/16

Dr. Cao Guotao reply Obstetrics and Gynecology


Hello, if the pregnancy test is negative, you may consider taking medication to induce menstruation.
Wishing you good health.

Reply Date: 2022/08/16

More Info


Having sex during a late period can raise several questions regarding menstrual health and overall well-being. In your case, since your last menstrual period was on June 23 and you have not menstruated by August 11, it is understandable to be concerned about the implications of sexual activity during this time.
Firstly, it is important to recognize that a delayed menstrual cycle can be influenced by various factors, including stress, hormonal imbalances, changes in weight, and lifestyle factors such as diet and exercise. Stress, in particular, is a common culprit that can disrupt the hypothalamic-pituitary-ovarian axis, leading to irregularities in the menstrual cycle. If your healthcare provider has ruled out pregnancy and other medical conditions, it is likely that stress or other lifestyle factors are contributing to your delayed period.

Regarding the impact of sexual activity during this time, having sex while experiencing a late period generally does not have adverse effects on your menstrual cycle or overall health, provided that you are practicing safe sex, as you mentioned using condoms. Engaging in sexual activity can even have some benefits, such as reducing stress and promoting emotional intimacy with your partner, which may help alleviate some of the anxiety associated with a delayed period.

As for the possibility of pregnancy, if you have been using condoms consistently and correctly, the risk of pregnancy is significantly reduced. However, no contraceptive method is 100% effective, and factors such as condom breakage or slippage can increase the risk. If you are concerned about the possibility of being pregnant, it may be worthwhile to take a home pregnancy test or consult with your healthcare provider for further evaluation.

In terms of your physical symptoms, such as lower back pain, this can be attributed to various factors, including hormonal changes, stress, or even muscle tension. It is not uncommon for women to experience discomfort during times of hormonal fluctuation, even if they are not menstruating. If the pain persists or worsens, it would be advisable to seek medical attention to rule out any underlying conditions.

In summary, having sex during a late period is generally safe and should not negatively impact your menstrual cycle or health, especially if you are using protection. The delay in your period is likely due to stress or other non-pregnancy-related factors. If you continue to experience irregularities in your menstrual cycle or have concerns about your health, it is essential to maintain open communication with your healthcare provider for personalized advice and management.

Similar Q&A

Does Sexual Activity Really Affect Your Menstrual Cycle?

Before I had any sexual experience, my menstrual cycle was very regular. However, after becoming sexually active, it seems that my period gets delayed by about a week whenever I have sex, but it always eventually comes. This has been accumulating each month; I used to get my peri...


Dr. Li Guanghan reply Obstetrics and Gynecology
Hello: Sexual activity does not affect menstruation, but if you experience psychological stress, it can impact your menstrual cycle. Dr. Cheng Jin-He, Department of Obstetrics and Gynecology, Hsinchu Hospital.

[Read More] Does Sexual Activity Really Affect Your Menstrual Cycle?


Understanding Delayed Menstruation: Causes and Concerns

Hello doctor, my period was originally due on September 26, but now it is already October 6. I had sexual intercourse a few days before September 26; could that affect my menstrual cycle? Thank you!


Dr. Huang Yiwen reply Obstetrics and Gynecology
Hello Miss Lin Yun: Masturbation itself does not affect menstruation, but there are several factors that can influence the menstrual cycle, such as emotions, stress, irregular sleep patterns, illness, and medication. Another common reason for changes in menstruation is pregnancy;...

[Read More] Understanding Delayed Menstruation: Causes and Concerns


Can Staying Up Late Delay Your Period? Understanding Menstrual Irregularities

Doctor, my last menstrual period started on July 23 and lasted for eight days. My previous cycles were approximately 30 to 33 days apart. I had occasional sexual intercourse with protection. After the end of July, I have been staying up late for about a month, but I haven't ...


Dr. Cao Guotao reply Obstetrics and Gynecology
Hello, the chances of pregnancy are low, but it is best to take preventive measures beforehand. If your period is more than a week late, it is advisable to see a gynecologist. Wishing you good health.

[Read More] Can Staying Up Late Delay Your Period? Understanding Menstrual Irregularities


Is It Safe to Have Sex During Menstruation? Understanding the Risks

Hello Doctor: My husband often requests to have intercourse during my menstrual period. I've noticed that after having intercourse, the flow of my menstrual bleeding often decreases, and my period frequently ends earlier than usual. Is this situation normal? Additionally, wh...


Dr. Wei Fumao reply Obstetrics and Gynecology
Having intercourse during menstruation may lead to retrograde menstruation, potentially causing endometriosis.

[Read More] Is It Safe to Have Sex During Menstruation? Understanding the Risks


Related FAQ

Anovulatory Menstruation

(Obstetrics and Gynecology)

Delayed Menstruation

(Obstetrics and Gynecology)

Menstrual Abnormalities

(Obstetrics and Gynecology)

Premenstrual Bleeding

(Obstetrics and Gynecology)

Premenstrual Syndrome

(Obstetrics and Gynecology)

Safe Period

(Obstetrics and Gynecology)

Menstrual Cramps

(Obstetrics and Gynecology)

Can I Get Pregnant?

(Obstetrics and Gynecology)

Dyspareunia

(Obstetrics and Gynecology)

Bleeding Outside Of Menstruation

(Obstetrics and Gynecology)