Contraception, Obstetrics and Gynecology FAQ

Can Residual Semen on Fingers Lead to Pregnancy?

If fingers that have not been cleaned properly and still have residual semen are inserted into the vagina, there is a possibility of pregnancy. Sperm can survive in the vaginal environment, and if they come into contact with the vaginal canal, there is a risk of fertilization if ...

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

Can You Get Pregnant from Intercourse Without Ejaculation?

Can I get pregnant? On May 31, I was lying in bed with my girlfriend, and I inserted a few times but did not ejaculate. Her menstrual period had just ended four days prior. I would like to know if this could result in pregnancy.

Dr. Zhang Kunmin Reply:
Hello, the questioner: There is a possibility of pregnancy even if ejaculation has not occurred during intercourse, as pre-ejaculatory fluid may contain sperm. Emergency contraception can be used as a remedy, but its effectiveness is not 100%, with a failure rate of about 3%. If ...

Do Antibiotics Affect Birth Control Pill Effectiveness? Key Insights for Women

Do antibiotics affect the effectiveness of birth control pills? A few days ago, I suffered a burn on my leg from a curling iron. Four days later, the wound showed slight inflammation. The doctor prescribed oral pain medication (DEPYRETIN), an antibiotic (CEPHALEXIN), and a topica...

Dr. Lin Manying Reply:
Hello: In response to your questions, A1: No, but it may slightly reduce the effectiveness of the pain medication. A2: No need. A3: No, because you are taking the birth control pill on schedule. A4: You do not need to stop taking the birth control pill while on the medications me...

Can You Stop Birth Control Pills a Week Early to Shift Your Period?

Can emergency contraceptive pills be taken a week earlier than scheduled? I have a travel plan on October 18 and would like to inquire about my menstrual cycle, which is expected to start on that date. If I want to induce my period a week earlier, can I simply stop taking my medi...

Dr. Chen Zhiyu Reply:
Hello, it is recommended to consult and evaluate with a gynecologist regarding the need to stop or adjust the use of contraceptive pills before or after taking them. Thank you.

Emergency Contraception: Understanding Risks and Ovulation Signs

Emergency contraceptive pill Hello doctor, I would like to inquire about an incident that occurred on May 25th when I had sexual intercourse. We used a condom, but when he pulled out, I noticed some white substance on his pubic hair. I'm not sure if it was my discharge or hi...

Dr. Zhang Kunmin Reply:
Hello, the effectiveness of emergency contraceptive pills is not 100%, with a failure rate of about 3%. It is recommended to check for pregnancy if your period is more than a week late. Thank you! Wishing you safety and health. Dr. Chang

Can Povera Be Used for Birth Control Effectively?

Can taking Puvira prevent pregnancy? Hello, I recently visited a gynecologist regarding an issue with endometrial hyperplasia and underwent a dilation and curettage (D&C) procedure. This month, I started taking Provera (medroxyprogesterone acetate) 5 mg for treatment. I began...

Dr. Cao Guotao Reply:
Hello, this medication does not have contraceptive effects. It is recommended to use additional contraceptive methods. Wishing you good health.

Understanding Pregnancy Chances: Can You Get Pregnant from Close Contact?

Probability of pregnancy: Will I get pregnant? Hello doctor, my menstrual cycle is not very regular; sometimes it comes early, sometimes on time, and sometimes I don't have it for a month. I downloaded two period tracking apps; one predicts my period will start on May 16, an...

Dr. Cao Guotao Reply:
Hello, the chances of pregnancy are low. If you are still concerned, you might consider taking emergency contraception as a precaution. Wishing you good health.

Understanding Pregnancy Chances After Unprotected Intercourse

Probability of pregnancy? Hello, I would like to ask the doctor about a situation. My girlfriend's period ended on May 8, and that night we had unprotected intercourse once, with ejaculation inside. All subsequent sexual activities were protected with condoms, and afterwards...

Dr. Zhang Kunmin Reply:
Hello, the effectiveness of emergency contraception is not 100%, with a failure rate of about 3%. It is recommended to check for pregnancy if your period is more than a week late. Thank you! Wishing you safety and health. Dr. Zhang

What's the Chance of Pregnancy After Unprotected Intercourse?

What is the likelihood of getting pregnant? Your menstrual period was from April 23 to April 27, and you had intercourse with your boyfriend on May 17. Your expected period was on May 18. You took emergency contraception (Plan B) within an hour after intercourse. Recently, you ha...

Dr. Zhang Kunmin Reply:
Hello, the effectiveness of emergency contraceptive pills is not 100%, with a failure rate of about 3%. Additionally, early pregnancy may not present specific symptoms, and subjective symptoms cannot be used to make a judgment. It is recommended to check for pregnancy if your per...

Understanding Brown Discharge: Ovulation or Implantation Bleeding?

Brown discharge Hello, doctor! I took emergency contraception on April 11, and I experienced bleeding from April 16 for about six days, ending on April 21. I took emergency contraception again on April 30. I had bleeding from May 6 to May 10. Today, May 22, I have some brownish d...

Dr. Zhang Kunmin Reply:
Hello, the effects of emergency contraceptive pills on menstruation can vary; it may cause your period to come early or late. Additionally, its contraceptive effectiveness is not 100%. It is recommended to check for pregnancy if your period is more than a week late. Thank you! Wi...

Can You Get Pregnant After Unprotected Sex While on Birth Control?

Emergency contraceptive pill I have been taking Yuezhi for 5 months. After finishing the medication, I decided to take a break for seven days. On the fourth day when I was supposed to take the medication, I had unprotected intercourse briefly, but I pulled out before ejaculation....

Dr. Cao Guotao Reply:
Hello, the chances are probably low, but if you're concerned, you can take emergency contraception just in case. Wishing you good health.

Could She Be Pregnant? Understanding Risks and Symptoms

Can I get pregnant? Hello doctor, I have a question. On the night of May 18 and the morning of May 19, I rubbed against my girlfriend's intimate area, but there was no penetration and no ejaculation. Currently, she hasn't taken any emergency contraception. Today is the ...

Dr. Cao Guotao Reply:
The likelihood of pregnancy should be low; just observe for now. Wait another two weeks, and if your period still hasn't arrived, it's advisable to see a gynecologist. Wishing you good health.

Should You Take Emergency Contraceptive Pills After Unprotected Sex?

Should I take emergency contraception? On May 20 (Monday), I had sexual intercourse with my girlfriend (without a condom). Prior to that, there was some wiping of pre-ejaculate fluid, and only the tip of the penis was inserted briefly, without full penetration. My partner had a s...

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

Understanding Pregnancy Chances After Unprotected Intercourse and Emergency Contraception

Pregnancy probability Hello, doctor. I had unprotected intercourse with my boyfriend two days after my period ended (on May 13) and he ejaculated inside me. Immediately after, I took a morning-after pill. The next day, we had unprotected intercourse twice again, but without ejacu...

Dr. Chen Zhiyu Reply:
The components of emergency contraceptive pills vary, and the timing of administration also differs. Generally, it is best to take them as soon as possible for optimal effectiveness. However, emergency contraceptive pills are not 100% effective. If your period is delayed, it is s...

Understanding Paternity Testing: Who is the Likely Father?

Paternity testing issues? I would like to ask the doctor, the first day of my last menstrual period was on April 19. I had sexual intercourse with two men in early May. The first man, A, had intercourse on May 1, the day before ovulation, at 4 AM, and there was ejaculation inside...

Dr. Lin Xinwang Reply:
Hello, yes, the success rate of emergency contraception is relatively low, while the success rate of sterilization for contraception is over 95%.

Pregnancy Concerns: Delayed Period After Taking Emergency Contraceptive

Will I get my period after taking the emergency contraceptive pill if I am pregnant? If you had unprotected intercourse on April 21 and took emergency contraception, but your period is now a week late in May, it is possible that you could be pregnant. However, there are other fac...

Dr. Cao Guotao Reply:
Hello, if you suspect you are pregnant, you can take a pregnancy test. Wishing you good health.

Understanding Irregular Menstrual Flow After Emergency Contraception

It feels like my menstrual flow is not coming out? Hello doctor, I had sexual intercourse with my boyfriend on May 16, but I noticed that the condom slipped off. I immediately went to buy emergency contraception and took it (within about 10 minutes after the intercourse). I took ...

Dr. Cao Guotao Reply:
Hello, emergency contraceptive pills can sometimes cause irregular menstruation; just monitor the situation. Wishing you good health.

Understanding Paternity Testing: Who is the Likely Father?

Paternity testing issues? I would like to ask the doctor, my last menstrual period started on April 19. In early May, I had sexual intercourse with two males. Male A had internal ejaculation on May 1, the day before ovulation, at 4 AM. I took emergency contraception that evening ...

Dr. Cao Guotao Reply:
Hello, it seems that Male A has a greater chance. Wishing you good health.

Does Alcohol Affect Birth Control Pill Effectiveness? Expert Answers

Effectiveness of Birth Control Pills Consulting a physician: 1. I take the contraceptive pill at a fixed time of 11:00 PM every month. Since I will be traveling abroad and may drink alcohol for several consecutive days, including possibly having 1-2 cocktails during dinner, will ...

Dr. Cao Guotao Reply:
Hello, it generally does not affect the effectiveness of contraception. Wishing you good health.

Understanding Emergency Contraception After RU486: Your Questions Answered

Emergency contraceptive pill Hello, I took RU486 on April 4th, and on April 9th, the doctor informed me that the embryo had been expelled. I continued to experience postpartum bleeding, but later on, I noticed a yellowish discharge that turned brown, and by May 13th, it was all r...

Dr. Lin Manying Reply:
Hello: It is recommended that you first clarify whether May 13 is your menstrual period. When taking Ru486, please follow the doctor's instructions for follow-up visits to confirm a complete miscarriage, rather than just the expulsion of the embryo. The Hualien Hospital of t...

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