Menstrual cycle, Obstetrics and Gynecology FAQ

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Can I Get Pregnant After 9 Days Without Birth Control Pills?

If you took a pack of medication on the fifth day of your menstrual period and have not taken any medication for the past nine days, there is a possibility of pregnancy if you engaged in sexual intercourse during that time. It is important to consider the type of medication you w...


Dr. Zhang Kunmin Reply:
Hello, the contraceptive pill "Yuezi" comes in a pack of 28 tablets, with the last 4 tablets being placebo pills that do not provide contraceptive effects. Menstruation typically occurs during the last few days of the pack. After finishing a pack of 28 pills, you should...

[Read More] Can I Get Pregnant After 9 Days Without Birth Control Pills?


Understanding Conception Dates: A Guide for Women with Irregular Periods

Pregnancy date Hello Doctor, I would like to ask about the conception date. I have polycystic ovary syndrome (PCOS) and my menstrual cycle is sometimes normal, but other times it comes every three months. My menstrual periods were from January 8 to January 12, and then again from...


Dr. Liu Fuping Reply:
Hello, pregnancy tests measure the hCG levels, which begin to be secreted only after the embryo implants. Therefore, it may not be detectable in the early stages of pregnancy. The conception date is related to the menstrual cycle and the dates of intercourse. It is advisable to c...

[Read More] Understanding Conception Dates: A Guide for Women with Irregular Periods


Can I Use an IUD to Induce My Period Early?

Can using an IUD advance the menstrual cycle? Hello doctor, my menstrual cycle is very regular, with the first day of my period on July 29, and I expect my next period to start on August 29. However, since I will be traveling abroad, I would like to advance my period. I have alre...


Dr. Cao Guotao Reply:
Hello, you can take measures to induce your menstrual period early. Wishing you good health.

[Read More] Can I Use an IUD to Induce My Period Early?


Can I Use an IUD to Induce My Period Early?

Can using an IUD induce an earlier menstrual period? Hello doctor, my menstrual cycle has been very regular, with the first day of my period on July 29, and I expect my next period to start on August 29. However, since I will be traveling abroad, I would like to advance my period...


Dr. Cao Guotao Reply:
Hello, you should be able to take it out early. Wishing you good health.

[Read More] Can I Use an IUD to Induce My Period Early?


Understanding Pregnancy Chances After Ovulation and Fertility Signs

What is the likelihood of becoming pregnant after engaging in sexual intercourse during the late ovulation period? Hello, Doctor. I would like to inquire about my menstrual cycle. My period started on July 10, and around the 21st or 22nd, I noticed egg white-like cervical mucus (...


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. It is not possible to accurately determine the ovulation day based solely on the described symptoms. Thank you! Wishing you peace and healt...

[Read More] Understanding Pregnancy Chances After Ovulation and Fertility Signs


Understanding Pregnancy Chances with Irregular Menstrual Cycles

Pregnancy possibility - urgent? Hello Doctor, I have irregular menstrual cycles. The first day of my last period was on June 9, and it has been 52 days since then. A few days ago, I started noticing white discharge, which has decreased over the last two days. Today, I had unprote...


Dr. Cao Guotao Reply:
Hello, if your menstrual cycle is usually very late, it is advisable to consult a gynecologist for treatment, as it may facilitate conception. Wishing you good health.

[Read More] Understanding Pregnancy Chances with Irregular Menstrual Cycles


Concerns About Condom Slipping Inside: Pregnancy Risks and Emergency Contraception

The condom slipped inside the vagina? Hello Doctor, my period started on July 20 and ended on July 25, with an average menstrual cycle of 26 days. According to the app, ovulation was calculated to be on August 1. Yesterday, on July 26, I had sexual intercourse with my boyfriend i...


Dr. Cao Guotao Reply:
Hello, you should be in a safe zone and not get pregnant. Wishing you good health.

[Read More] Concerns About Condom Slipping Inside: Pregnancy Risks and Emergency Contraception


Emergency Contraceptive Pills: What You Need to Know After Unprotected Sex

Emergency contraceptive pill Hello Doctor, I would like to inquire about an incident that occurred with my girlfriend. We had intercourse on July 20 at 12:00 AM, and I immediately noticed that the condom had a hole (although I withdrew before ejaculation, I am aware that pre-ejac...


Dr. Cao Guotao Reply:
Hello, emergency contraception is effective within 48 hours, so you should not become pregnant. You can continue to eat normally. Wishing you good health!

[Read More] Emergency Contraceptive Pills: What You Need to Know After Unprotected Sex


Understanding Irregular Menstrual Cycles and Pain: When to Seek Help

Menstrual interruption 1. My menstrual period usually lasts for 8 days, but this time it only lasted for 2 days. There was no bleeding on the third and fourth days, so I thought it had ended. However, on the fifth day, around 1 AM, I suddenly experienced bleeding again, which was...


Dr. Lin Manying Reply:
Hello: 1. Within the normal range. 2. It is recommended to undergo infertility-related examinations for better assessment. Hualien Hospital, Ministry of Health and Welfare, cares about your health.

[Read More] Understanding Irregular Menstrual Cycles and Pain: When to Seek Help


Abnormal Bleeding: Could It Be Pregnancy or Just Irregular Periods?

Abnormal bleeding, menstrual irregularities, could they indicate pregnancy? On June 4th, I had intercourse with my boyfriend using a condom, and it lasted about five minutes. Afterward, I realized that it was during my fertile period, and my app indicated that my period was due o...


Dr. Chen Zhiyu Reply:
Hello, based on your description, the situation in July may indicate menstrual irregularities or abnormal bleeding outside of the normal menstrual period following a regular cycle in June. It is recommended that you visit a gynecologist for a check-up. Thank you.

[Read More] Abnormal Bleeding: Could It Be Pregnancy or Just Irregular Periods?


Understanding Changes in Menstrual Cycle After COVID-19: What You Need to Know

Decreased menstrual duration? Hello Doctor: I started my first menstrual period at the age of 12, and by the time I was 15 or 16, my cycle had stabilized, lasting about 7 days. However, after being diagnosed with COVID-19 last year at the age of 20, my menstrual periods have vari...


Dr. Cao Guotao Reply:
Hello, it is recommended to visit an obstetrician-gynecologist to check on your menstrual cycle. Wishing you good health.

[Read More] Understanding Changes in Menstrual Cycle After COVID-19: What You Need to Know


Understanding Brown Discharge and Abdominal Pain After Menstruation

Brown discharge after menstruation, accompanied by lower abdominal pain? This menstrual cycle is unusual. From July 12 to July 13, there was brown discharge, but it was minimal and did not progress. Then on July 17, there was pink discharge, and by July 18, menstruation started. ...


Dr. Cao Guotao Reply:
Hello, it could be a gastrointestinal issue. If there is no improvement, it is advisable to see a doctor. Wishing you good health.

[Read More] Understanding Brown Discharge and Abdominal Pain After Menstruation


Understanding Pregnancy Risks: Safe Practices and Timing

Can I get pregnant? Hello, doctor. I would like to ask about my girlfriend's menstrual cycle, which is usually between 29 to 31 days. According to the menstrual tracking app, we had intercourse on the seventh day before her next period (seven days after ovulation). We used a...


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

[Read More] Understanding Pregnancy Risks: Safe Practices and Timing


Understanding Conception Dates: A Guide for Expecting Mothers

Date of conception Hello Doctor, this year I started having regular menstrual cycles. My period began on January 8 and ended on January 11. My last menstrual period was on February 6 and ended on February 10. In April, I took a pregnancy test which was negative, but on May 10, I ...


Dr. Cao Guotao Reply:
Hello, the estimated date of conception is around mid-April, but it is difficult to determine the exact day. Wishing you good health.

[Read More] Understanding Conception Dates: A Guide for Expecting Mothers


Understanding Conception Dates: A Guide for Expecting Mothers

Date of conception Hello Doctor, this year I started having regular menstrual cycles. My period began on January 8 and ended on January 11. My last menstrual period was on February 6 and ended on February 10. In April, I took a pregnancy test which was negative. On May 10, I went...


Dr. Cao Guotao Reply:
Hello, it is possible that conception occurred in mid-April. Wishing you good health.

[Read More] Understanding Conception Dates: A Guide for Expecting Mothers


Understanding Menstrual Cycles and Pregnancy Concerns: A Guide

Menstruation and Pregnancy Issues Hello, doctor. My partner's menstrual period was from May 11 to May 17. She calculated her ovulation period to be around May 25 to May 27. We had sexual intercourse on May 26, using a condom throughout, and withdrew before ejaculation. Howev...


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

[Read More] Understanding Menstrual Cycles and Pregnancy Concerns: A Guide


Understanding Changes in Menstrual Cycle After COVID-19: What to Know

Reduced menstrual duration? Hello Doctor: I started my menstrual period at the age of 12, and by the time I was 15 or 16, my cycle had stabilized at around 7 days. However, since I was diagnosed with COVID-19 last year at the age of 20, my menstrual period has varied between 6 to...


Dr. Cao Guotao Reply:
Hello, it should be within the normal range; just monitor it. Wishing you good health.

[Read More] Understanding Changes in Menstrual Cycle After COVID-19: What to Know


Understanding Menstrual Irregularities: Causes and Concerns

Menstrual issues Hello, doctor. I would like to ask about my last sexual intercourse, which was on April 14, and I used protection. My normal menstrual cycle usually falls between 28 to 30 days, typically around the 26th to 28th of each month. My menstrual flow and duration were ...


Dr. Zhang Kunmin Reply:
Hello, the factors affecting the menstrual cycle are numerous, including age, environment, lifestyle, stress, emotional instability, weight changes, medications, emergency contraceptives, diet, polycystic ovary syndrome, uterine or cervical lesions, infections, ovulation, pregnan...

[Read More] Understanding Menstrual Irregularities: Causes and Concerns


Understanding Delayed Menstruation: Causes and Pregnancy Concerns

Delayed menstruation? The last menstrual period started on June 1-5, and there was sexual intercourse on June 15 with condom use. By the expected date of June 29, menstruation has not occurred, and as of July 3, it is still absent. From June 16-23, there was a trip to Thailand wh...


Dr. Zhang Kunmin Reply:
Hello, the factors that can affect the menstrual cycle are numerous, including age, environment, lifestyle, stress, emotional instability, weight changes, medications, emergency contraception, diet, polycystic ovary syndrome, lesions of the uterus or cervix, infections, ovulation...

[Read More] Understanding Delayed Menstruation: Causes and Pregnancy Concerns


Post-Sexual Bleeding: Causes and When to Seek Medical Advice

Postcoital bleeding Hello, doctor. This morning, I attempted penetrative sexual intercourse with my boyfriend (this is the second time, but both times were unsuccessful, with only the glans being inserted). We used a condom and lubricant throughout the process. When my boyfriend ...


Dr. Lin Manying Reply:
Hello: It is normal to experience a small amount of bleeding during the first time. If the bleeding persists for more than three days, please seek medical attention. The Hualien Hospital of the Ministry of Health and Welfare cares about your health.

[Read More] Post-Sexual Bleeding: Causes and When to Seek Medical Advice


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