Understanding How Birth Control Pills Affect Your Menstrual Cycle
The mechanism of action of emergency contraceptive pills? Hello, doctor. I am taking oral contraceptive pills, which I understand suppress ovulation. However, my question is whether the menstrual cycle still proceeds as usual in this case. Is there still a luteal phase, follicula...
Dr. Zhang Kunmin Reply:
Hello, the oral contraceptive pills contain hormones that prevent ovulation, which means there is no follicular phase or luteal phase. The hormones in the formulation also cause changes in the body, such as thickening of the cervical mucus, making it difficult for sperm to enter ...[Read More] Understanding How Birth Control Pills Affect Your Menstrual Cycle
Can You Get Pregnant After Taking Birth Control Pills?
Can I get pregnant? Hello doctor, I would like to ask if my girlfriend has been taking oral contraceptive pills regularly. We had sexual intercourse on the second day of her menstrual period. Is there still contraceptive protection on the second day of her period? Also, does the ...
Dr. Lü Lizheng Reply:
The function of emergency contraceptive pills is to inhibit ovulation. After taking the emergency contraceptive pill, the period of amenorrhea until the end of menstruation does not lead to a rapid return of ovulation. Engaging in sexual intercourse during this time still retains...[Read More] Can You Get Pregnant After Taking Birth Control Pills?
Understanding Pre-Conception Contraceptive Use and Pregnancy Risks
Preconception contraception issues? Hello, Doctor: I would like to ask if my girlfriend has been consistently taking the emergency contraceptive pill for the past three months, and she is currently on her sixth pill this month, but I did not use a condom and ejaculated externally...
Dr. Lü Lizheng Reply:
As long as the oral contraceptive pills are taken according to the prescribed regimen, they are 99% effective in preventing pregnancy. Therefore, there is no need to worry too much. Sincerely, Dr. Li-Cheng Lu, Taoyuan Hospital.[Read More] Understanding Pre-Conception Contraceptive Use and Pregnancy Risks
Forgot Birth Control Pill: Risk of Pregnancy After Unprotected Sex?
Taking emergency contraception after unprotected intercourse? If you have been taking the oral contraceptive pill for three months and you missed a dose during the first week of your cycle, taking two pills the following night can help maintain contraceptive effectiveness. Howeve...
Dr. Zhang Kunmin Reply:
Hello, the effectiveness of taking oral contraceptive pills (OCPs) can be as high as 99%. However, missing a dose is one of the common reasons for failure with this method of contraception, so knowing how to correctly make up for a missed dose is very important. Each type of comb...[Read More] Forgot Birth Control Pill: Risk of Pregnancy After Unprotected Sex?
Understanding Delayed Menstruation After Stopping Birth Control Pills
Delayed menstruation? I stopped taking the oral contraceptive pill a month ago. My last period was on August 13, and I haven't taken the pill since then. As of now, September 11, my period still hasn't arrived. During the previous one or two months, I was consistently t...
Dr. Lü Lizheng Reply:
The response has already addressed the same question; please refer to another inquiry. Sincerely, Dr. Li-Cheng Lu, Taoyuan Hospital.[Read More] Understanding Delayed Menstruation After Stopping Birth Control Pills
Understanding Menstrual Changes After Stopping Birth Control Pills
Discontinuation of contraceptive pills? I stopped taking the emergency contraceptive pill a month ago. My last menstrual period ended on August 13, and I haven't taken the pill since then. As of now, on September 10, my period still hasn't arrived. During the previous o...
Dr. Lü Lizheng Reply:
Taking oral contraceptive pills suppresses ovarian ovulation. Once the medication is stopped, it takes some time for the ovaries to resume ovulation, which can lead to a delayed menstrual period. If condoms were used during intercourse, the likelihood of pregnancy is low. However...[Read More] Understanding Menstrual Changes After Stopping Birth Control Pills
Understanding Preemptive Birth Control Pills: Your Questions Answered
I would like to inquire about oral contraceptives? Hello doctor, I would like to ask a question. Currently, we are not planning for children, so my girlfriend has been taking oral contraceptive pills to prevent pregnancy. Last month, I recorded her menstrual cycle: it started on ...
Dr. Zhang Kunmin Reply:
Hello, based on your description, it seems that the initiation of birth control pills was delayed, which may result in insufficient contraceptive effectiveness. Additionally, the bleeding you’ve experienced in the past few days cannot be definitively identified as menstruation, a...[Read More] Understanding Preemptive Birth Control Pills: Your Questions Answered
Understanding Emergency Contraceptive Pills: Usage and Effects
Emergency contraceptive pill Excuse me, I would like to ask the doctor if I want to start taking the oral contraceptive pill (Yaz) for the first time during my next menstrual cycle, should I take the first pill on the first day of my next period? Can I stop after just one cycle? ...
Dr. Lü Lizheng Reply:
1. Usually, it should be started on the fifth day of the menstrual cycle; please refer to the package insert (drug information leaflet). 2. It can be taken for just one cycle, but it will only provide contraceptive protection for one month, and the next menstrual period may be ...[Read More] Understanding Emergency Contraceptive Pills: Usage and Effects
Am I Pregnant? Understanding Birth Control and Menstrual Changes
Are you pregnant? I would like to ask the doctor, I have been taking oral contraceptive pills and I am currently on my second pack. My menstrual periods in May and June were normal. Typically, my periods last about eight days, but in June, it only lasted five days (from June 23 t...
Dr. Zhang Kunmin Reply:
Hello, the amount of menstrual bleeding during the use of contraceptive pills may be less than usual, which is a normal phenomenon. However, the bleeding on the 27th seems atypical, as the timing and volume do not align with a normal menstrual cycle. If the bleeding persists, it ...[Read More] Am I Pregnant? Understanding Birth Control and Menstrual Changes
How Soon Can You Resume Birth Control Pills After Stopping?
After stopping the use of emergency contraceptive pills, it is generally recommended to wait until your next menstrual cycle before considering taking them again. However, if you have unprotected intercourse and need to use emergency contraception, you can take it as needed, rega...
Dr. Lü Lizheng Reply:
1. Birth control pills can be taken again. 2. There is no restriction that requires a six-month interval; they can be taken continuously for several months or even several years. Sincerely, Dr. Li-Cheng Lu, Taoyuan Hospital.[Read More] How Soon Can You Resume Birth Control Pills After Stopping?
When Will Birth Control Pills Regain Effectiveness After Antibiotics?
When taking oral contraceptives and antibiotics, when will the contraceptive effectiveness be restored? Hello, Doctor! I took my first oral contraceptive pill (Yaz 24/4) on March 27. However, less than 7 days later (from April 1 to April 3), I had to take antibiotics (amoxicillin...
Dr. Zhang Kunmin Reply:
Hello, the contraceptive pill Yuezhi is a low-dose birth control pill that can be more susceptible to interference from other factors, such as antibiotics like tetracyclines and amoxicillin. The contraceptive mechanism of birth control pills relies on the estrogen in the tablets ...[Read More] When Will Birth Control Pills Regain Effectiveness After Antibiotics?
Forgot to Take Birth Control: What to Do Next?
Missed a birth control pill? Hello, doctor. My last menstrual period started on July 13 and lasted about five days. On the fifth day, I began taking the oral contraceptive pill (Yaz low-dose). I went on a trip on August 1 and 2 (during which I had sexual intercourse) and forgot t...
Dr. Lü Lizheng Reply:
Please continue with the treatment as suggested. If there is significant bleeding, discontinue the medication. Sincerely, Dr. Li-Cheng Lu, Taoyuan General Hospital.[Read More] Forgot to Take Birth Control: What to Do Next?
Understanding Common Gynecological Concerns: Pain, Infections, and Treatment Options
Distressing questions? Hello doctor, 1. Every time I engage in sexual intercourse with my boyfriend, I experience intense pain inside my vagina at the beginning, as if I am being cut by a knife. After a while, the pain subsides. Even with lubrication and my boyfriend being very...
Dr. Lin Wenbin Reply:
1. The body's naturally secreted lubricant is a natural vaginal protectant that helps prevent friction injuries during intercourse. However, infections, endocrine disorders, or insufficient foreplay can reduce the production of this lubricant. A medical examination is necess...[Read More] Understanding Common Gynecological Concerns: Pain, Infections, and Treatment Options
Understanding Emergency Contraceptive Pills: Usage and Effectiveness
Regarding emergency contraception? Hello, doctor. I would like to ask you a few questions: A few days ago, I had sexual intercourse with my husband, but we did not ejaculate inside because we are not ready to get pregnant. I took the emergency contraceptive pill 12 hours after th...
Dr. Zhong Wenzhen Reply:
Hello: Emergency contraceptive pills are primarily used for contraception after sexual intercourse occurring three to five days before or after ovulation. They are not a traditional method of contraception, but rather work by anticipating the shedding of the endometrium, preventi...[Read More] Understanding Emergency Contraceptive Pills: Usage and Effectiveness
Is It Safe to Have Sex During the Last Days of Your Period?
Is it easier to get an infection from sexual intercourse during the last few days of menstruation? Hello, doctor. I have a stable boyfriend, and I always insist that he wears a condom during intercourse. However, when he does wear one, he often has difficulty ejaculating, and aft...
Dr. Zhang Kunmin Reply:
Hello, the questioner: Engaging in sexual intercourse towards the end of menstruation theoretically should not have any adverse effects on the body. However, some individuals may still experience mild menstrual cramps or discomfort, or may have concerns regarding cleanliness. If ...[Read More] Is It Safe to Have Sex During the Last Days of Your Period?
Understanding Birth Control Pills: Side Effects and Cancer Risks Explained
Side effects of contraceptive pills? Hello Dr. Dong: I have been taking Yaz for almost two years now, and I usually stop for a month every 3 to 4 months without experiencing significant side effects. I previously asked other doctors, and they said that aside from nausea and vomit...
Dr. Dong Yuhong Reply:
Hello: There are various methods of contraception, with oral contraceptive pills and intrauterine devices (IUDs) being common choices. The most important principle is to choose a method that suits you and to use it correctly. There are many types of contraceptive pills, and detai...[Read More] Understanding Birth Control Pills: Side Effects and Cancer Risks Explained
Understanding Post-Pill Bleeding: What to Expect After Emergency Contraception
Regarding bleeding? Using emergency contraception during the fertile window does not guarantee that you will experience withdrawal bleeding. While some women may experience bleeding after taking the pill, it is not a definitive outcome for everyone. The absence of withdrawal blee...
Dr. Zhong Wenzhen Reply:
Hello, Miss: Thank you for your inquiry. I would like to respond to your questions and provide the following suggestions: 1. Emergency contraceptive pills can interfere with your own hormone secretion and are influenced by your natural hormones. Theoretically, they may induce a...[Read More] Understanding Post-Pill Bleeding: What to Expect After Emergency Contraception
What to Do If You Lose a Birth Control Pill: Impact on Your Cycle
Menstrual regulation contraceptives This afternoon, I went to the hospital to pick up my oral contraceptive pills for regulating my menstrual cycle. When I was about to take the first pill tonight, I accidentally lost it. I called the medication consultant to ask what to do, and ...
Dr. Zhou Dali Reply:
It is recommended to consult with the original physician.[Read More] What to Do If You Lose a Birth Control Pill: Impact on Your Cycle
Understanding Birth Control Pills: Your Questions Answered
Regarding contraceptive pills? Dear Dr. Lin Chao-Pei, Hello! Earlier this year, I consulted you about oral contraceptive pills for 21 days, and I am truly grateful for your patient responses. I have another question I would like to ask you. I have been taking Marvelon (a 21-day ...
Dr. Lin Zhaopei Reply:
1. It is impossible to get pregnant because it is not the ovulation period. 2. That's correct, on the third day of menstruation, it is only the beginning of the follicular phase, and there is no egg present. 3. If contraception is stopped for more than 10 days after menstrua...[Read More] Understanding Birth Control Pills: Your Questions Answered
Comparing Contraceptive Methods: Effectiveness of Oral Pills vs. Condoms
Which contraceptive method has a higher effectiveness rate? Hello Doctor, thank you for your response, but it seems you did not fully answer my question. You overlooked the "21-day oral contraceptive pill." If we purely consider the "contraceptive effectiveness,&qu...
Dr. Li Guanghan Reply:
Hello: Birth control pills have contraindications (such as smoking, etc.) and potential side effects (such as nausea, etc.), so please consult a physician for related issues. Hsinchu City Hospital, Department of Obstetrics and Gynecology.[Read More] Comparing Contraceptive Methods: Effectiveness of Oral Pills vs. Condoms