Menstruation, Obstetrics and Gynecology FAQ

Understanding Abnormal Bleeding: Causes and When to Seek Medical Help

Premenstrual bleeding Your girlfriend and I had sexual intercourse on June 26, and her last menstrual period started on June 11, with an average cycle of 34 days lasting seven days. On the evening of June 29, she began experiencing light brown spotting, which increased in volume ...

Dr. Zhang Kunmin Reply:
Hello, the questioner: In early pregnancy, there may not be specific symptoms, and subjective symptoms cannot be used to make a judgment. There are many causes of bleeding outside of the menstrual period (such as lesions in the reproductive organs, pregnancy, hormonal imbalances,...

Understanding Breakthrough Bleeding with Emergency Contraceptive Pills

Emergency contraceptive pill issues Hello, Doctor. I have been taking the emergency contraceptive pill for 7 months, and since I started with the first pack, I have experienced breakthrough bleeding throughout. I have switched between 3 different brands. I would like to ask you: ...

Dr. Huang Yuande Reply:
1. Royal jelly collagen may have an impact. 2. Due to the variety of contraceptive brands, some individuals may have different physiological responses. It is advisable to consult a gynecologist to evaluate any underlying issues before switching to a different medication for safet...

Understanding Delayed Menstruation: Causes and Next Steps

Delayed menstruation? Hello Doctor: I got my period on May 29, had sexual intercourse on June 2, and took emergency contraception within an hour. I took a pregnancy test on June 24, which showed one line. My period was expected on June 26, but it did not come. I visited the clini...

Dr. Cao Guotao Reply:
Hello, you should not be pregnant. Your period should come within a week after getting the shot, so just wait a bit longer. Wishing you good health.

Understanding Irregular Menstruation: When to See a Doctor

Irregular menstruation Hello Doctor, I have a question. Recently, my menstrual cycle has not been very regular. It started on April 16, then I didn't get it again until May 25, which was more than a week late. I didn't have a period in June, and on July 1, I had a very ...

Dr. Cao Guotao Reply:
Hello, your cycle is about 35-40 days. If it has been consistent like this, it's generally acceptable. However, if you want to adjust it to 30 days, you should consult a gynecologist. Wishing you good health!

Understanding Shortwave Therapy for Hip Inflammation in Gynecology

Regarding shortwave therapy? I would like to inquire about the current shortwave therapy being used for hip joint inflammation in the rehabilitation department. Since shortwave therapy is a deep tissue treatment that promotes blood circulation, I am concerned about its effects. I...

Dr. Lin Xinwang Reply:
Hello Nan: Shortwave therapy does not cause endometrial hyperplasia; however, since shortwave therapy involves deep heating, it is advisable to avoid it during menstruation if there is heavy menstrual flow.

Could My Girlfriend Be Pregnant? Understanding Symptoms and Concerns

Are you pregnant? Hello Doctor, my girlfriend's menstruation started on June 10. We had sexual intercourse on June 26, using a condom throughout and with external ejaculation. On that afternoon, my girlfriend was unsure if the discharge was from her vagina or urethra, and he...

Dr. Zhang Kunmin Reply:
Hello, the failure rate of contraception using condoms throughout the entire intercourse is over 5%, which is less reliable compared to other methods. If your menstrual period is more than a week late, you should check for pregnancy. Additionally, if you experience any discomfort...

Understanding Body Adaptation Symptoms After Starting Birth Control

Initial physical adaptation symptoms after taking pre-exposure prophylaxis (PrEP)? I started taking the contraceptive pill for the first time at the beginning of this month, on the first day of my period. I have taken a total of 14 pills so far, but my period hasn't ended ye...

Dr. Zhang Kunmin Reply:
Hello, the user: During the use of contraceptive pills, if menstruation or breakthrough bleeding occurs, there is no need to stop taking the medication; continue to take it as scheduled. Once the body adjusts to the contraceptive pills, abnormal bleeding will cease. However, if i...

Can You Get Pregnant After Unprotected Sex? Expert Insights

Engaging in sexual intercourse after taking emergency contraception? Doctor, I had unprotected sexual intercourse with a male on the morning of April 12th, and I took emergency contraception within 24 hours. Later that evening, I had unprotected sex again, also without ejaculatio...

Dr. Zhang Kunmin Reply:
Hello, the effectiveness of emergency contraception remains valid after a single or multiple instances of sexual intercourse, provided that all sexual acts occurred within 72 hours prior to taking the medication. It is advisable to check for pregnancy if menstruation has not occu...

Emergency Contraceptives and Menstrual Cycle Concerns Explained

Emergency contraceptive pills and menstrual cycle issues? Hello, doctor. My last menstrual period was on May 25, and my cycles usually vary by one or two days. This month, it is late. I took a pregnancy test on June 27, which was negative. I was planning to take medication to ind...

Dr. Huang Yuande Reply:
1. The chances are very low. 2. After taking emergency contraception, spotting may occur approximately 3 days to 1 week later. 3. As for when menstruation will occur, it varies depending on individual physiology and the timing of administration, making it difficult to predict if ...

Understanding Birth Control Pills and Menstrual Irregularities

Birth control pills and menstruation? Hello Doctor, I have been taking the contraceptive pill (Yaz 24+4) for the past two months. My menstrual periods were as follows: Period from April 26 to April 30, with the first pill taken on April 26, and the next period from May 22 to May ...

Dr. Cao Guotao Reply:
Hello, there is no possibility of pregnancy. Continue taking the birth control pills until the end of the pack and observe if the same bleeding occurs next month. If it does, consider trying a different brand of birth control pills. Wishing you good health.

Understanding Pregnancy Chances After Emergency Contraceptive Use

Is it possible to become pregnant? Hello, I would like to inquire about my last menstrual period, which started on May 22 and usually lasts 6-7 days with a cycle of about 28-31 days. I had unprotected sexual intercourse on June 3, during which I used a condom, but experienced lig...

Dr. Lin Xinwang Reply:
Hello Jia: 1. A 1.6/3 timing is right around the ovulation period. Since you took emergency contraception, the likelihood of pregnancy is very low. If you're concerned, you can take a pregnancy test again in a week. 2. Emergency contraception can affect the menstrual cycle.

Delayed Period and Abdominal Discomfort: Am I Pregnant?

Delayed menstruation and abdominal discomfort—could this indicate pregnancy? Hello Doctor, I would like to explain my situation. My last menstrual period was from May 22 to May 28, and I had sexual intercourse on May 29 with a condom. Since my average menstrual cycle is 31 days, ...

Dr. Cao Guotao Reply:
Hello, the chances of pregnancy should be low. Normally, you should expect your period to arrive within a week after taking the menstrual induction medication. Just wait a little longer and take care of your health.

Can Vaccines Accelerate Menopause? Understanding Early Ovarian Aging

Early menopause? How to delay it? 1. If the ovaries are already in early failure, could receiving the COVID-19 and HPV vaccines at the age of 41 potentially lead to an earlier onset of menopause? I have noticed a decrease in menstrual flow, but due to a cervical biopsy showing CI...

Dr. Huang Yuande Reply:
1. The HPV vaccine is unrelated to the timing of menopause. 2. Both the cysts and fibroids are small, and it is acceptable to supplement with DHEA; moderate intake of soy isoflavones should also be beneficial. 3. Generally, it is not common; cysts are often related to hormones, s...

Understanding Postpartum Menstruation and Bleeding After Intercourse

Breastfeeding and Menstruation Hello, I would like to ask about my situation. I am currently about a year and a half postpartum and still breastfeeding. My menstrual cycle has returned a few times, and it generally lasts for seven days. Yesterday was the sixth day, and it seemed ...

Dr. Cao Guotao Reply:
Hello, please monitor the situation. If there is still bleeding, it is recommended to see a gynecologist. Wishing you good health.

Understanding Pregnancy Risks After Unprotected Intercourse

Am I pregnant? If unprotected intercourse occurs one to two days after menstruation, without ejaculation, and there is abdominal pain afterward, but no emergency contraception was taken, what is the likelihood of pregnancy?

Dr. Zhang Kunmin Reply:
Hello, the questioner: There is a possibility of pregnancy even if ejaculation has not occurred, as pre-ejaculatory fluid may contain sperm. Additionally, early pregnancy does not always present specific symptoms, and subjective symptoms cannot be used to make a judgment. It is r...

Could Irregular Sleep Patterns Delay Menstruation? A Pregnancy Inquiry

Consult a doctor? Your girlfriend's last menstrual period was from May 21 to May 28. She took medication for a urinary tract infection on May 15. Since the end of her period on May 28, you have engaged in sexual intercourse every weekend (using condoms and confirming they di...

Dr. Cao Guotao Reply:
Hello, I have responded to your questions. Please refer to the previous messages. Wishing you good health.

Understanding Menstrual Induction Medications and Their Side Effects

What are the side effects of menstrual induction medications? Hello doctor, it has been a month since sexual intercourse (exactly 31 days). I have done a home pregnancy test and visited an obstetrician twice for ultrasound examinations, all of which indicated that I am not pregna...

Dr. Cao Guotao Reply:
Hello, it is likely that your menstrual period is approaching, and you probably are not pregnant. Just monitor the situation. Wishing you good health.

Can Pre-Ejaculate Fluid Cause Pregnancy During Menstruation?

Prelacrimal fluid Engaging in unprotected intercourse during your girlfriend's menstrual period, even if it was only for a couple of thrusts and you withdrew before ejaculation, still carries a risk of pregnancy. Pre-ejaculatory fluid (pre-cum) can contain sperm, and if it w...

Dr. Cao Guotao Reply:
Hello, you should be in your safe period, so pregnancy is unlikely. Wishing you good health.

Is Pregnancy Still Possible After Negative Ultrasounds?

Is it possible to get pregnant this way? Hello doctor, I went to the gynecologist for an ultrasound on the 17th day after sexual intercourse, and it showed that I was not pregnant. Then, 25 days after sexual intercourse, I went to the gynecologist again for a pregnancy test and u...

Dr. Cao Guotao Reply:
Hello, it seems that you are not pregnant. After taking the menstrual induction medication, your period should arrive within a week. Just wait and see. Wishing you good health.

Missed Period After Emergency Contraceptive: Pregnancy Concerns Explained

After intimate contact, I took a pregnancy test after my period was due, but my menstruation has not arrived? I engaged in intimate activities with my girlfriend where she helped me, and I helped her. I am concerned that during the process, accidental contact with bodily fluids c...

Dr. Zhang Kunmin Reply:
Hello, the effects of emergency contraceptive pills on menstruation can vary; it may cause your period to come early or late. Additionally, their contraceptive effectiveness is not 100%. It is recommended to check for pregnancy if your period is more than a week late. Thank you! ...

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