Delayed menstruation, Obstetrics and Gynecology FAQ

Understanding Delayed Menstruation: Is Pregnancy the Cause?

Delayed menstruation? The last menstrual period was on October 31, and the app predicted the next one on November 27. The last sexual intercourse occurred on November 18, during which condoms were used throughout. This afternoon, feeling anxious, a pregnancy test was taken, which...

Dr. Lin Manying Reply:
Hello, if your period is delayed by a week, please take a pregnancy test first. If the result is negative, then consider taking medication to induce menstruation. Hualien Hospital, Ministry of Health and Welfare, cares about your health.

Understanding Antibiotics and Emergency Contraception: Pregnancy Risks Explained

Drug interactions. Emergency contraceptive pills. Issues with contraceptive pills? Hello Doctor, I have been undergoing treatment with "Doxycycline" for an inflammation issue. I had sexual intercourse on October 28 (without ejaculation), and the man's condition was...

Dr. Lin Lixuan Reply:
Hello: Even with the consistent use of condoms during sexual intercourse, there is still about a 1% chance of pregnancy. There are many types of antibiotics, and not all of them cause menstrual irregularities. It is necessary to assess whether there are other factors affecting th...

Understanding Delayed Menstruation and Hormonal Treatments in PCOS

Polycystic Ovary Syndrome (PCOS) Progesterone Hello Doctor, I was diagnosed with polycystic ovary syndrome (PCOS) in June 2020 and have been intermittently taking birth control pills (Nina coated tablets) for nearly a year. In September 2022, after changing jobs, I went for a gyn...

Dr. Cao Guotao Reply:
Hello, it is normal to have your period within a week after taking progesterone. If it exceeds that time, it is advisable to visit a gynecologist. If you are not trying to conceive, you can take birth control pills to regulate your menstrual cycle. Wishing you good health.

Understanding Delayed Menstruation: Pregnancy Concerns and Symptoms

Menstrual delay Hello doctor, my menstrual cycle has been regular, with periods on 5/14, 6/16, 7/22 (I took medication to delay my period because I was traveling), and 8/22. On the first day after my last period ended, 8/29, I had sexual intercourse with my boyfriend (withdrawal ...

Dr. Cao Guotao Reply:
Hello, you should not be pregnant. Wait for another week, and if your period still hasn't arrived, it is advisable to see a gynecologist. Wishing you good health.

Understanding Delayed Menstruation: Causes and Concerns

Menstruation is delayed? Hello, I would like to ask about my menstrual cycle. I estimated that my period would start on September 8, but I'm not sure if drinking too many cold beverages has caused a delay. Additionally, on September 16, I only had external contact with my bo...

Dr. Zhang Kunmin Reply:
Hello, the effects of emergency contraceptive pills on menstruation can vary; they may cause your period to come early or late. Additionally, their contraceptive effectiveness is not 100%, with a failure rate of about 3%. If your period still hasn't arrived, it is advisable ...

Understanding Delayed Menstruation: Causes, Symptoms, and Solutions

Missed menstruation? 1. My last menstrual period was from August 12 to August 16, with ovulation likely occurring between August 23 and 29. I had unprotected intercourse on August 14, 15, and 19, avoiding the potentially fertile days. I also had unprotected intercourse on Septemb...

Dr. Huang Yuande Reply:
1. Ovulation typically occurs about 13 to 14 days before the onset of menstruation, but if the menstrual cycle is irregular, it becomes difficult to determine, and a pregnancy test is needed for confirmation; currently, the likelihood seems low. 2. There are many potential causes...

Missed Period and Negative Pregnancy Tests: Understanding Your Symptoms

Menstruation is three days late, and two pregnancy tests have returned negative results? On September 1, September 2, and September 5, I engaged in some intimate touching with my boyfriend, but he did not remove his pants. Later, I rubbed against his outer pants with my hand, and...

Dr. Zhang Kunmin Reply:
Hello, based on your description, the chances of pregnancy are not very high. However, as long as there are active sperm in the vagina during the ovulation period, there is still a possibility of pregnancy regardless of the method. It is advisable to take appropriate contraceptiv...

Understanding Delayed Menstruation: When to Test for Pregnancy

Menstrual delay Hello, doctor. My last menstrual period was from July 16 to July 21. The last sexual intercourse was on August 14 (with a condom throughout), but there was unprotected intercourse on July 24. My period is now 7 days late. I took a pregnancy test on August 21, whic...

Dr. Cao Guotao Reply:
Hello, it seems that you are not pregnant. Wait for another week, and if your period still does not arrive, it is advisable to see a gynecologist. Wishing you good health.

Understanding Delayed Menstruation: Causes and Concerns

Menstrual delay Hello, doctor. My last menstrual period started on July 3rd, and now it's August 17th, which means I'm two weeks late. My last sexual intercourse was on June 5th, and my period in July was normal, so it shouldn't be possible for me to be pregnant, r...

Dr. Cao Guotao Reply:
Hello, you are unlikely to be pregnant. Wait for another week, and if your period still hasn't arrived, I recommend seeing a gynecologist. Wishing you good health.

Understanding Delayed Menstruation: When to Seek Medical Advice

Menstrual delay Hello, doctor. My period was supposed to start on July 25 according to my app, but as of today (July 27), it still hasn't arrived. I had sexual intercourse on the 2nd, 4th, 20th, and 25th of this month, and we used condoms each time. Afterward, I also checked...

Dr. Zhang Kunmin Reply:
Hello, the failure rate of correctly using condoms throughout intercourse is still about 5%, which is less reliable compared to other methods. For those who engage in sexual activity more frequently, it is not advisable to rely solely on condoms for contraception. Therefore, if y...

Understanding Delayed Menstruation: When to Test for Pregnancy

Delayed menstruation? On June 26th, there was unprotected intercourse (the day after ovulation). My menstrual cycle is typically 28-30 days, and it has been regular. I was supposed to get my period around July 9-10, but as of July 14, I still haven't gotten it. I took a preg...

Dr. Lin Manying Reply:
Hsuan: Hello, a qualified pregnancy test should have an accuracy rate close to 100% if used within the expiration date and within the recommended time frame. If your period does not arrive, it is advisable to take another test after three days or to consult a gynecologist. The Hu...

Understanding Menstrual Induction: Symptoms and What to Expect

Issues After Taking Menstrual Induction Medication Hello, doctor. I went to the clinic on June 7th to get medication to induce my period due to a long-standing issue with delayed menstruation. I started taking the medication on June 8th. On June 9th, I went to Mackay Memorial Hos...

Dr. Cai Yonglong Reply:
It is possible that menstruation has started; it would be appropriate to visit a hospital or clinic for an ultrasound and blood tests (hormonal checks).

Understanding Delayed Menstruation After Emergency Contraceptive Use

Emergency contraceptive pill My menstrual period in May was from May 4 to May 10. I had sexual intercourse with my boyfriend on May 9, and at the end, I discovered that the condom had broken and semen had entered. I took emergency contraception (Plan B) within an hour after the i...

Dr. Cao Guotao Reply:
Hello, emergency contraceptive pills can sometimes cause irregular menstruation. If your period does not arrive after another week, it is advisable to consult a gynecologist. Wishing you good health.

Understanding Delayed Menstruation: Causes and Concerns for Women

Menstrual delay Hello doctor, my last menstrual period started on April 25, and I expect my next period to be on May 23. I used an app to track my cycle. On May 23, I had sexual intercourse with my boyfriend; initially, we did not use a condom for about one minute, and there was ...

Dr. Cao Guotao Reply:
Hello, you should not be pregnant. After taking the medication to induce menstruation, it usually takes about a week for your period to arrive. Just wait a little longer. If your period does not come after a week, you should consult a gynecologist. If your period does come, monit...

Understanding Delayed Menstruation: Causes and Concerns for Women

Menstrual delay Hello, doctor. My last menstrual period started on April 25, and I expect my next period to be on May 23. I used an app to track my cycle. On May 23, I had sexual intercourse with my boyfriend. At first, we did not use a condom for about a minute, and there was no...

Dr. Cao Guotao Reply:
Hello, I have already responded to your question earlier. Wishing you good health.

Understanding Delayed Menstruation: Causes and Concerns for Women

Delayed menstruation? Hello Doctor: My last menstrual period was from April 29 to May 5. My cycle is about 28 days, lasting approximately 7 days, and it has been quite regular. I was supposed to get my period on May 27, but it hasn't arrived. On the night of May 28, I had se...

Dr. Cao Guotao Reply:
Hello, you should not be pregnant. Wait for another week, and if your period still hasn't arrived, I recommend seeing a gynecologist. Wishing you good health.

Understanding Menstrual Delays: Pregnancy Concerns and Lifestyle Factors

Menstrual issues On May 13, there was manual stimulation with a male partner, and it is uncertain whether there was any semen involved. The last menstrual period started on April 22, and a menstrual tracking app indicated a low probability of pregnancy on May 13. A pregnancy test...

Dr. Cao Guotao Reply:
Hello, a negative pregnancy test 12 days after sexual intercourse indicates that you are likely not pregnant, especially since you did not have actual sexual intercourse. There's no need to worry. Wait another week, and if your period still hasn't arrived, it is advisab...

Understanding Delayed Menstruation: Causes and Pregnancy Concerns

Missed menstruation? The last menstrual period started on April 22, and there was contact with a male partner on May 13, where there was hand-to-genital contact, but it is uncertain if there was any pre-ejaculate or semen on the hands. The contact was only through underwear. The ...

Dr. Cao Guotao Reply:
Hello, you should not be worried about pregnancy. It's most likely that your menstrual cycle is being affected by your mood. Wait for another week, and if your period still hasn't arrived, I recommend seeing a gynecologist. Wishing you good health.

Understanding Delayed Menstruation: Causes and Pregnancy Concerns

Missed menstruation? Hello, doctor. My last menstrual period started on April 22, but I have been experiencing hormonal imbalances in the past few months and took medication to regulate my cycle. The obstetrician-gynecologist mentioned that I should gradually adjust my endometriu...

Dr. Cao Guotao Reply:
Hello, it is unlikely that you are pregnant; it may still be a hormonal imbalance. Wait for another week, and if your period still does not arrive, it is advisable to see a gynecologist. Wishing you good health.

Left Lower Abdominal Pain and Delayed Menstruation: What to Know

Intermittent pain in the lower left abdomen and delayed menstruation? My menstrual period was from March 24 to March 29, and I have a 28-day cycle. I had intercourse on April 2 and April 3 with a condom, but I was concerned because I took emergency contraception on the morning of...

Dr. Lin Manying Reply:
Ms. Huang: Hello, I still recommend visiting a doctor to confirm whether you are pregnant. If you are not pregnant, medication can be prescribed to induce menstruation and alleviate symptoms. The Hualien Hospital of the Ministry of Health and Welfare cares about your health.

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