Pregnancy, Obstetrics and Gynecology FAQ

Estimating Conception Date and Paternity: A Guide for Women

I would like to know the approximate date of conception and who the partner is? I have had regular menstrual cycles for the past few months, with a duration of 7 days and a cycle length of 32 to 33 days. The dates of my menstrual periods are as follows: 2023/9/29 to 2023/10/5, 20...

Dr. Cao Guotao Reply:
Hello, the chances are greater for B, but since the timing for both is close, we cannot say for certain who it is. Wishing you good health.

Could She Be Pregnant? Understanding Symptoms and Safe Periods

Can I get pregnant? Your girlfriend visited from March 29 to April 4. On April 5, you had unprotected intercourse for 5 to 10 minutes (without ejaculation), and then used protection afterward. Over the past few days, your girlfriend has been feeling very tired and nauseous. Could...

Dr. Cao Guotao Reply:
Hello, it should be a safe period, so you are unlikely to get pregnant. Wishing you good health.

Understanding Ovulation: Your Questions Answered for Better Fertility

I would like to inquire about ovulation issues? Hello Dr. Tsao, I would like to ask some questions related to ovulation. My menstrual period started on March 29, and I took ovulation medication continuously for five days starting March 31, with two pills each day. On April 11, I ...

Dr. Cao Guotao Reply:
Hello, it is possible to have a second ovulation. If you are wondering about pregnancy, it is important to monitor your symptoms. Wishing you good health!

Understanding Pregnancy Risks: Your Menstrual Cycle and Symptoms Explained

Private question? Hello Doctor, my last menstrual period was on March 17 and my current one started on April 16, and they have been regular. Since March 17, I have not had any sexual intercourse (even before March 17, any sexual activity was protected with condoms), and there was...

Dr. Cao Guotao Reply:
Hello, you should not be pregnant if you are menstruating. Wishing you good health.

Understanding Delayed Periods and Pregnancy Testing Concerns

Menstrual delay and pregnancy testing issues? My last menstrual period started on March 16, and my cycle typically ranges from 30 to 35 days. About 13 days ago, I began experiencing premenstrual symptoms such as breast enlargement and fatigue, but my period still hasn't arri...

Dr. Cao Guotao Reply:
Hello, you can take a pregnancy test 12 days after sexual intercourse. The chances of pregnancy should be low. If your period still hasn't arrived after another week, it is advisable to see a gynecologist. Wishing you good health.

Understanding Pregnancy Chances After Unprotected Intercourse

Probability of Pregnancy Hello, Doctor. I started taking birth control pills on the second day of my period, which began on April 9th, and my period ended on April 14th, the sixth day. I had unprotected intercourse on April 15th. What is the likelihood of pregnancy? Should I take...

Dr. Cao Guotao Reply:
Hello, you probably don't need to take emergency contraception. Wishing you good health.

Understanding Pregnancy Chances with Irregular Menstrual Cycles

Probability of Pregnancy Hello, Doctor. My girlfriend has an irregular menstrual cycle; sometimes it's 28 days, sometimes 39 days, with an average of about 34 days. Her last period started on March 14. The last three cycles were 31 days, 36 days, and 39 days. This time, duri...

Dr. Cao Guotao Reply:
Hello, it is unlikely that you are pregnant. You can take a pregnancy test 12 days after sexual intercourse. If your period still hasn't arrived after another week, it is advisable to see a gynecologist. Wishing you good health.

Understanding Delayed Menstruation: When to Seek Medical Advice

Delayed menstrual period? Hello, my menstrual cycle has always been around 28-30 days. I usually experience slight bleeding before my period. However, today (April 11) is the 34th day of my cycle, and aside from symptoms similar to those of my period, such as lower abdominal pain...

Dr. Chen Zhiyu Reply:
Hello, if pregnancy has been ruled out, it is recommended to visit a gynecologist after 14 days past the expected menstrual period. Thank you.

Understanding Delayed Periods While on Birth Control Pills

Emergency contraceptive pills - Menstruation has not yet arrived? Hello, I have been taking the Yaz contraceptive pill (24+4) for six months, consistently at 11 PM without missing any doses. My period usually starts on the afternoon of the 29th day, or on the first day of the new...

Dr. Zhang Kunmin Reply:
Hello, Oral contraceptives must be taken at the same time every day, and correct usage can achieve a 99% effectiveness rate in preventing pregnancy. For those using a 28-day pack, if menstruation does not occur during the last 7 days, you can start the next pack immediately. If...

Can You Get Pregnant After Taking Emergency Contraceptive Pills?

Can you get pregnant after experiencing post-coital bleeding? I would like to ask the doctor, I took the emergency contraceptive pill on April 5th, and I had bleeding on April 10th. Does this mean that I will not be pregnant?

Dr. Zhang Kunmin Reply:
Hello, the effects of emergency contraception on menstruation can vary; it may not necessarily cause your period to come early or late. Its effectiveness is not 100%, with a failure rate of about 3%, but it is still considered a good backup method. If you are unsure whether the b...

Can You Get Pregnant After Taking Emergency Contraceptive Pills?

Can you get pregnant after having post-coital bleeding? I would like to ask the doctor, I took the emergency contraceptive pill on April 5th, and I had bleeding on April 10th. Does this mean that I will not be pregnant?

Dr. Zhang Kunmin Reply:
Hello, the effects of emergency contraception on menstruation can vary; it may cause your period to come earlier or later. Its contraceptive effectiveness is not 100%, with a failure rate of about 3%. However, it is still considered a good backup option. If you are unsure whether...

Understanding Changes in Menstrual Flow: Causes and Concerns

Menstrual issues Hello, doctor. Previously, my menstrual period lasted for 7 days, and I experienced blood clots along with severe menstrual pain. However, after taking traditional Chinese medicine, my condition has improved significantly, and I have had very little menstrual pai...

Dr. Zhang Kunmin Reply:
Hello, the factors that can affect the menstrual blood volume in women may include hormonal imbalances, emotions, diet, age, and others. However, it is crucial to rule out conditions such as uterine tumors, endometrial hyperplasia, cervical lesions, and vaginal lesions. If sympto...

Understanding Changes in Menstrual Flow: Causes and Concerns

Menstrual issues Hello, doctor. Previously, my menstrual period lasted for 7 days, and I experienced blood clots along with severe menstrual cramps. However, after taking traditional Chinese medicine for treatment, my condition has improved significantly, and I have had little to...

Understanding Changes in Menstrual Flow: Causes and Concerns

Dr. Zhang Kunmin Reply:
Hello, the factors that can affect the menstrual blood volume in women may include hormonal imbalances, emotional state, diet, age, and others. However, it is crucial to rule out conditions such as uterine tumors, endometrial hyperplasia, cervical lesions, and vaginal lesions. If...

Understanding Changes in Menstrual Flow: Causes and Concerns

Menstrual issues Hello, Doctor. Previously, my menstrual period lasted for 7 days, and I experienced blood clots along with severe menstrual pain. However, after taking traditional Chinese medicine for treatment, my condition has improved significantly, and I have had very little...

Dr. Zhang Kunmin Reply:
Hello, the factors that can affect the menstrual blood volume in women may include hormonal imbalances, emotions, diet, age, and others. However, the most important thing is to rule out conditions such as uterine tumors, endometrial hyperplasia, cervical lesions, and vaginal lesi...

Understanding Pregnancy Test Accuracy: Timing and Sleep Impact

Pregnancy test questions? Hello, doctor. I previously asked another physician a question (question number 207248), and I'm still feeling a bit anxious. I plan to go to a medical laboratory to have a blood test for pregnancy on my expected menstrual date, April 27. However, I...

Dr. Zhang Kunmin Reply:
Hello, based on your description, the examination will not be affected. It is recommended to check for pregnancy if your period is more than a week late. Thank you! Wishing you peace and health. Dr. Chang

Understanding Changes in Menstrual Flow: Causes and Concerns

Menstrual issues Hello, Doctor. Previously, my menstrual period lasted for 7 days, and I experienced blood clots along with severe menstrual pain. However, after taking traditional Chinese medicine for treatment, my symptoms have improved significantly, and I have had very little...

Dr. Zhang Kunmin Reply:
Hello, the factors that can affect the menstrual blood volume in women may include hormonal imbalances, emotions, diet, age, and more. However, it is crucial to rule out conditions such as uterine tumors, endometrial hyperplasia, cervical lesions, and vaginal lesions. If symptoms...

Understanding Pregnancy Chances After Unprotected Intercourse: Key Insights

Pregnancy probability Hello doctor, I would like to ask about my situation. My menstrual period started on March 11 and ended on March 18. I had unprotected intercourse with ejaculation outside on March 23, and again from April 3 to April 6 (also unprotected and outside ejaculati...

Dr. Cao Guotao Reply:
The chances of pregnancy should be low. If you still haven't gotten your period after another week, it is advisable to see a gynecologist. Wishing you good health.

Understanding Pregnancy Risks and Emergency Contraception After Condom Failure

Can I get pregnant? On April 13, during sexual intercourse with my girlfriend, I discovered that the condom broke. I immediately withdrew and did not ejaculate. Her period is expected to arrive in about two to three days. I would like to know what the chances of pregnancy are in ...

Dr. Cao Guotao Reply:
Hello, the chances of pregnancy should be low. If you are still concerned, you can take emergency contraception. Wishing you good health.

Understanding Changes in Menstrual Flow: Causes and Concerns

Menstrual issues Hello, Doctor. Previously, my menstrual period lasted for 7 days, and I experienced blood clots along with severe menstrual pain. However, after taking traditional Chinese medicine, my condition has improved significantly, and I have had little to no menstrual pa...

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