Oral contraceptive pill, Obstetrics and Gynecology FAQ

Understanding Breakthrough Bleeding and Birth Control Pills

Pre-menstrual medication and menstruation? Hello, doctor. I am currently taking the second pack of the oral contraceptive pill - Aivee (24+4 formulation). I started bleeding on the 14th day (I had the same situation with the first pack). After consulting a doctor, I was prescribe...

Dr. Cao Guotao Reply:
Hello, it is recommended to try a different brand of contraceptive pills to see if the abnormal bleeding persists. Start taking them on the fifth day of your menstrual cycle. Wishing you good health.

Managing Birth Control Pills: What to Do After an Early Dose?

Contraceptive pill issues? Hello doctor, I took my last oral contraceptive pill on January 4th, and I was supposed to stop taking them for 7 days. However, I accidentally took one pill yesterday, January 10th (my period also started on January 10th). What should I do? Should I co...

Dr. Cao Guotao Reply:
Hello, normal contraceptive pills are started on the fifth day of the menstrual cycle. This time, I started taking them on January 14, just one pill short, but it still provides contraceptive effectiveness. Wishing you good health.

Understanding Pre-Contraceptive Pills: Bleeding Effects and Switching Brands

Regarding emergency contraceptive pills? Hello, doctor. I have been taking the 24+4 combination oral contraceptive pill for two months, but I have experienced light bleeding on days 13 and 14 during both cycles, which continues until I finish the placebo pills and then get my per...

Dr. Cao Guotao Reply:
Hello, it still has contraceptive effects. Please finish the original medication and switch to a different brand of birth control pill on the fifth day after your period starts. Wishing you good health.

Understanding the Effectiveness of Birth Control Pills: Key Questions Answered

Questions about emergency contraceptive pills? Hello Doctor: I am currently taking a 21-day oral contraceptive pill, and my period always starts on the fifth day after stopping the medication. I begin taking the pills again on the third day of my period. I have been taking the pi...

Dr. Zhang Kunmin Reply:
Hello, the oral contraceptive pill must be taken at the same time every day. When taken correctly, it can achieve a 99% effectiveness in preventing pregnancy, including during both the active and inactive pill periods. Thank you! Wishing you peace and health. Dr. Chang

Can You Get Pregnant Immediately After Stopping Birth Control Pills?

Can you get pregnant immediately after stopping the use of emergency contraception? Hello doctor, I have been taking oral contraceptive pills on schedule for almost six months. However, I forgot to take the pills for two consecutive days, so I decided to stop taking them and wait...

Dr. Zhang Kunmin Reply:
Hello, based on your description, this cycle no longer has contraceptive effectiveness. It is best to use emergency contraception, but its effectiveness is not 100%, with a failure rate of about 3%. If your period is more than a week late, it is still advisable to check for pregn...

Can You Get Pregnant Right After Stopping Birth Control Pills?

Can you get pregnant immediately after stopping birth control pills? Hello Doctor, I have been taking oral contraceptive pills on schedule for almost six months. However, I forgot to take the pills for two consecutive days, so I decided to stop taking them and wait for the next c...

Dr. Zhang Kunmin Reply:
Hello, based on your description, there is no contraceptive effect for this cycle. If ovulation occurs, there is a possibility of conception. It is recommended that if your period does not arrive as expected, you should check for pregnancy. Thank you! Wishing you peace and health...

Understanding Emergency Contraceptive Pills: Key Questions Answered

Regarding emergency contraceptive pills? Hello, Doctor: I am currently taking the second pack of the oral contraceptive pill - Aivee (24+4 formulation). I have a few questions: 1. If I have unprotected intercourse during the placebo period, is there a possibility of pregnancy? ...

Dr. Cao Guotao Reply:
Hello, taking birth control pills at any time provides contraceptive effects, so there's no need to worry. Since you have experienced bleeding for two consecutive times, I recommend trying a different brand. Wishing you good health.

Switching Birth Control Pills: Understanding Effectiveness After 21 Days

Switching contraceptive pills? Hello doctor, I would like to ask, after finishing a 21-day oral contraceptive pill pack, although there is contraceptive effectiveness during the 7-day break, if I switch to a different brand of oral contraceptive after the 21+7 days, will the cont...

Dr. Zhang Kunmin Reply:
Hello, the first time you take birth control pills, it is recommended to start on the first day of your menstrual cycle. If you begin taking the pills after the second day of your period, it is advised to use additional contraceptive measures for the first seven days of taking th...

Switching Birth Control Pills: Effectiveness and Timing Explained

Effectiveness of Switching Contraceptive Pills Hello, doctor. I have been taking the oral contraceptive pill for a month. The first pack contains 21 pills, and I started taking the first pill on the first day of my period. I would like to switch to a different brand for the secon...

Dr. Zhang Kunmin Reply:
Hello, when starting oral contraceptives for the first time or switching to a different formulation, it is recommended to begin on the first day of your menstrual cycle. If you start taking the contraceptive after the second day of your period, it is advised to use additional con...

Can You Get Pregnant After Missing Birth Control Pills?

Can I get pregnant? I have been taking Prilosec for almost four months. My menstrual period was originally expected to start on the 20th. I finished my medication on December 15, and on December 17, I had unprotected intercourse with ejaculation on the vulva. The next day, on Dec...

Dr. Zhang Kunmin Reply:
Hello, the oral contraceptive pill must be taken at the same time every day. When taken correctly, it can achieve a 99% effectiveness in preventing pregnancy. If you are unsure whether you are pregnant, please consult a physician for evaluation. Thank you! Wishing you safety and ...

Do Pain Relievers Affect Birth Control Effectiveness? Key Insights

Emergency contraceptive pills and Paracetamol drug interactions? Hello, doctor. I am currently taking the oral contraceptive pill (Mirelle). I would like to ask if taking Panadol Extra will affect the effectiveness of my birth control. Do I need to take any additional contracepti...

Dr. Zhang Kunmin Reply:
Hello, the following medications can interact with oral contraceptives: 1. Antibiotics (Penicillin, Cephalosporins, Erythromycin, Sulfonamides, Bactrim, Chloramphenicol, Doxycycline) may reduce the effectiveness of oral contraceptives. When taking these medications, alternative...

Understanding the Interaction Between Birth Control Pills and COVID-19 Vaccines

Regarding emergency contraceptive pills and the COVID-19 vaccine? Hello Doctor, I am currently taking the oral contraceptive pill - Aivee (24+4 formulation), and I have some questions: 1. I have a cold, and based on my previous research, I found that some medications that inter...

Dr. Cao Guotao Reply:
Hello, it generally does not have any impact, so you can continue taking the contraceptive pills as usual. Wishing you good health.

Understanding the Risks of Irregular Birth Control Pill Usage

Taking birth control pills at irregular times? Hello Doctor, my girlfriend started taking the oral contraceptive pill "Wenburen 21+7" a while ago. She began taking it on the second day of her menstrual period, which was on November 26. We only engaged in sexual intercou...

Dr. Zhang Kunmin Reply:
Hello, Combination oral contraceptives must be taken at the same time every day to achieve a 99% effectiveness in preventing pregnancy. If you miss a dose for more than 24 hours, you should stop taking the current pack of contraceptives and refrain from taking them for seven da...

Can I Continue Taking Birth Control Pills After Endometrial Polyp Removal?

Is it safe to take birth control pills? I previously had an endometrial polyp, which was removed two years ago. I started taking oral contraceptive pills for birth control. Recently, I underwent an examination that suggests a possible recurrence (though it is not confirmed yet). ...

Dr. Cao Guotao Reply:
Hello, you should be able to use emergency contraception. Wishing you good health.

Switching from IUD to Birth Control Pills: When to Start?

Switching from an intrauterine device (IUD) to oral contraceptive pills? If you have used an intrauterine device (IUD) for contraception last month and wish to switch to oral contraceptive pills, you should start taking the first pill on the same day that the IUD is removed. If y...

Dr. Cao Guotao Reply:
Hello, start taking the contraceptive pill on the fifth day of your menstrual period. Wishing you good health.

Understanding Pregnancy Risks After Birth Control and Condom Failure

Pregnancy probability Hello doctor, I would like to ask a question. This is my first time taking oral contraceptives, and I have taken them continuously for 7 days. On the eighth day, I had sexual intercourse. Although I used a condom, I later found out that it was damaged. I als...

Dr. Zhang Kunmin Reply:
Hello, the oral contraceptive pill must be taken at the same time every day. When taken correctly, it can achieve a 99% effectiveness in preventing pregnancy. Thank you! Wishing you peace and health, Dr. Chang.

Understanding Pregnancy Chances: Do You Need Emergency Contraception?

What is the probability of becoming pregnant? If I have taken the oral contraceptive pill consistently for 7 days and I am within the safe period, what is the likelihood of pregnancy if there is no ejaculation inside? Do I need to take emergency contraception? Thank you. 🙏

Dr. Cao Guotao Reply:
Hello, it should be the safe period. Wishing you good health.

Can I Skip a Day of Birth Control Pills to Return to My Schedule?

Taking the emergency contraceptive pill a day earlier than planned, and wanting to take it at the originally scheduled time? If you are taking a 28-day oral contraceptive pill and you started the new pack a day earlier than scheduled, you can skip taking the pill tomorrow and res...

Dr. Zhang Kunmin Reply:
Hello, based on your description, it is recommended to start taking it one day later in the next cycle to minimize the risk of irregular bleeding. Thank you! Wishing you peace and health. Dr. Chang

Does Changing the Time of Taking Birth Control Pills Affect Their Effectiveness?

Does taking emergency contraceptive pills at different times each month have an impact? Hello, doctor. I have been taking the oral contraceptive pill for three months, consistently at 11 PM due to my schedule. Next month, I would like to switch to taking it in the morning. Will c...

Dr. Cao Guotao Reply:
Hello, changing the time slightly within the same time frame does not affect the effectiveness of contraception. Wishing you good health.

Understanding the Effectiveness of Emergency Contraceptive Pills

Emergency contraceptive pill I would like to ask about my first time taking the oral contraceptive pill, brand name Meiluo Lin. I finished the first pack of 21 pills on October 14, took a 7-day break, and started the second pack on the eighth day (October 22). My period started t...

Dr. Zhang Kunmin Reply:
Hello, based on your description, combined oral contraceptives (COCs) must be taken at the same time every day. When taken correctly, they can achieve a 99% effectiveness in preventing pregnancy. Thank you! Wishing you peace and health, Dr. Chang.

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