Am I Pregnant? Understanding Risks After First Sexual Experience
Are you pregnant? Hello, doctor. My last menstrual period was from September 23 to September 29. A few days ago, on October 7, I had sexual intercourse with my boyfriend, and it was both of our first times. We used a condom throughout the entire process, but I experienced pain wh...
Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, the failure rate of using condoms correctly throughout is about 5%. I recommend that if your period is a week late, you should take a urine test to check for pregnancy. Thank you! Wishing you peace and health. Dr. Zhang[Read More] Am I Pregnant? Understanding Risks After First Sexual Experience
Does Alcohol Consumption Affect the Effectiveness of HPV Vaccines?
Does alcohol affect the efficacy of the HPV vaccine? Hello, doctor. I received the third dose of the HPV vaccine on October 4th. About an hour after getting the vaccine, I accidentally consumed a small amount of an alcoholic beverage. Will this affect the efficacy of the vaccine?...
Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, based on your description, the likelihood of impact is low. Thank you! Wishing you peace and health. Dr. Chang[Read More] Does Alcohol Consumption Affect the Effectiveness of HPV Vaccines?
Is It Safe to Have Unprotected Sex Four Days After IUD Insertion?
Four days after inserting the contraceptive ring, unprotected intercourse? Hello doctor, this is my first time using an intrauterine device (IUD). I had it inserted on September 26 and 27 (the 3rd and 4th days of my menstrual period). On September 30 (during the safe period), I h...
Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, the user: When using an intrauterine device (IUD) for the first time, it is necessary to use an additional contraceptive method for seven days after insertion. If your period is more than a week late, it is still advisable to check for pregnancy. Thank you! Wishing you pea...[Read More] Is It Safe to Have Unprotected Sex Four Days After IUD Insertion?
Understanding Pregnancy Risks: Can Friction Without Ejaculation Cause Pregnancy?
Pregnancy probability Hello, I would like to ask about the chances of pregnancy if my boyfriend rubs at the entrance after getting an erection, but there is no secretion. We used a condom during intercourse, and he pulled out before ejaculation. The condom was intact and did not ...
Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, the failure rate of using condoms for contraception is over 5%, which is less reliable compared to other methods. Therefore, it is recommended to check for pregnancy if your menstrual period is more than a week late. Thank you! Wishing you peace and health. Dr. Zhang[Read More] Understanding Pregnancy Risks: Can Friction Without Ejaculation Cause Pregnancy?
Understanding Contraceptive Pills: Risks of Pregnancy After Use
Contraception issues I just started taking the birth control pill Alesse, with my first pill taken on the first day of my period on September 9. I had unprotected intercourse on September 18, September 21, September 26, September 29, and October 1, with ejaculation outside. I fin...
Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, the oral contraceptive pill (COC) 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[Read More] Understanding Contraceptive Pills: Risks of Pregnancy After Use
Can I Get Menstrual Induction Shots to Delay My Period?
To administer a menstrual induction injection? Doctor, I will be traveling abroad from December 1 to December 8. My menstrual periods in the last three months were on August 3, September 1, and October 1, each lasting exactly 7 days. Can I get a menstrual induction injection in O...
Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, based on your description, it is recommended to consult with an obstetrician-gynecologist after October 20th for an evaluation to determine whether it is more appropriate to delay or advance your menstrual period. Thank you! Wishing you peace and health. Dr. Zhang[Read More] Can I Get Menstrual Induction Shots to Delay My Period?
Can You Take Emergency Contraceptive Pills with Regular Birth Control?
Taking emergency contraceptive pills and regular contraceptive pills simultaneously? Hello, doctor. I took the first dose of the emergency contraceptive pill, Ella, on September 30. The day after, I had sexual intercourse. Since I am not prepared for pregnancy and I am concerned ...
Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, based on your description, I recommend continuing your medication. Thank you! Wishing you peace and good health. Dr. Chang[Read More] Can You Take Emergency Contraceptive Pills with Regular Birth Control?
Understanding Pregnancy Test Accuracy: When to Trust Negative Results
Accuracy of Pregnancy Test Results The last menstrual period was on August 23, and the last sexual intercourse occurred on September 10, with no condom used initially and a condom used later, without any ejaculation inside. Today (September 28), I used a pregnancy test, and the r...
Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, the questioner: There is still a possibility of pregnancy even if ejaculation has not occurred during intercourse, as pre-ejaculatory fluid may contain sperm. It is recommended to check for pregnancy if your period is more than a week late. Thank you! Wishing you peace and...[Read More] Understanding Pregnancy Test Accuracy: When to Trust Negative Results
Understanding Pregnancy Test Accuracy: When to Trust a Negative Result
Accuracy of Pregnancy Test Results The last menstrual period was on August 23, and the last sexual intercourse was on September 10, with no condom used initially and a condom used later, without ejaculation inside. Today (September 28), I used a pregnancy test, and the result was...
Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, the questioner: There is a possibility of pregnancy even if ejaculation has not occurred during intercourse, as pre-ejaculatory fluid may contain sperm. It is recommended to check for pregnancy if your period is more than a week late. Thank you! Wishing you peace and healt...[Read More] Understanding Pregnancy Test Accuracy: When to Trust a Negative Result
Does Bleeding After Taking Emergency Contraceptive Count as Menstruation?
Is bleeding after taking emergency contraception considered a menstrual period? If your menstrual period has not arrived yet but you took emergency contraception and experienced bleeding the next day that resembles menstruation, this could be a side effect of the emergency contra...
Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, the cause of your bleeding cannot be determined as being due to the emergency contraceptive pill or other reasons. However, the intercourse occurred during the ovulation period, and the effectiveness of emergency contraception is not 100%, with a failure rate of about 3%. ...[Read More] Does Bleeding After Taking Emergency Contraceptive Count as Menstruation?
Understanding Birth Control Pills: Is Your Experience Normal?
Contraceptive pill issues Hello doctor, I would like to ask about my birth control pills. This month I am on my second pack of Yaz. I had sexual intercourse with my boyfriend on the 12th, 13th, and 14th without using condoms. On the 14th, I noticed a little bit of bleeding, and f...
Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, the user: During the use of oral contraceptives, if menstruation occurs or bleeding happens, there is no need to stop taking the medication; continue to take it as scheduled. Once the body adjusts to the contraceptive, abnormal bleeding will cease. However, if irregular bl...[Read More] Understanding Birth Control Pills: Is Your Experience Normal?
Missed Birth Control Pills: What to Do After Two Days?
Missed taking emergency contraception pills for two days (within 72 hours)? Hello Doctor: This month marks my second month taking Aygestin. I was unable to take my medication on September 28 and 29 due to a trip, and I couldn't purchase it, so I missed those doses. My last d...
Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, the oral contraceptive pill (COC) 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 pills and refrain from taking them for seven days (inclu...[Read More] Missed Birth Control Pills: What to Do After Two Days?
Can Masturbation Affect Your Menstrual Cycle and Pregnancy Chances?
Can you get pregnant? / Does masturbation affect the menstrual cycle? Hello, I have two main questions to ask: 1. I had sexual intercourse with my boyfriend on August 16 without a condom at first, and there was some fluid (possibly pre-ejaculate) involved. Later, we used a condom...
Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, the questioner: There is a possibility of pregnancy even if ejaculation does not occur during intercourse, as pre-ejaculatory fluid may contain sperm. The failure rate of using condoms for contraception is over 5%, which is less reliable compared to other methods. It is ad...[Read More] Can Masturbation Affect Your Menstrual Cycle and Pregnancy Chances?
Am I Pregnant? Understanding Risks and Emergency Contraception
Can I get pregnant? Hello, doctor. I'm really worried and anxious. After researching for a long time, I decided to ask my question. My last menstrual period was from August 25 to 31. In mid-September, I visited a doctor due to a cold and was prescribed medication for three d...
Dr. Zhang Kunmin reply Obstetrics and Gynecology
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. Zhang[Read More] Am I Pregnant? Understanding Risks and Emergency Contraception
Understanding Ella Emergency Contraceptive: Effects and Pregnancy Concerns
Ella emergency contraceptive pill The last menstrual period was on August 27, and sexual intercourse occurred on September 15 (with a condom and no ejaculation). Afterward, the condom was checked for leaks by filling it with water, and there were no breaks. However, it was the la...
Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, the cause of your bleeding cannot be determined as either a result of the emergency contraceptive pill or other reasons. Additionally, the effectiveness of emergency contraception is not 100%, with a failure rate of about 3%. It is recommended that if you are uncertain whe...[Read More] Understanding Ella Emergency Contraceptive: Effects and Pregnancy Concerns
Is It Normal for Menstrual Cycle to Be Delayed After Taking Delay Pills?
If the menstrual period is delayed after taking medication to induce menstruation, it is advisable to consult a healthcare professional for further evaluation? Hello doctor, I was expecting my period to start on August 6, but since I have water activities scheduled from August 9 ...
Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, the factors affecting the menstrual cycle are numerous, including age, environment, lifestyle, stress, emotional instability, weight changes, medications, emergency contraception, diet, polycystic ovary syndrome, uterine or cervical lesions, infections, ovulation, pregnanc...[Read More] Is It Normal for Menstrual Cycle to Be Delayed After Taking Delay Pills?
Understanding Drug Interactions and Contraceptive Effectiveness in Women’s Health
Drug interactions Since starting the birth control pill Diane on September 9, you took cold medication (for throat inflammation) and acne medication (Minocycline, Clindamycin) from September 12 to September 15, along with medications for bloating and soft stools prescribed by you...
Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, the following medications may interact with oral contraceptives: 1. Antibiotics (Penicillin, Cephalosporins, Erythromycin, Sulfonamides, Bactrim, Chloramphenicol) - may reduce the gut flora that aids in absorption, thereby decreasing the effectiveness of contraceptives. ...[Read More] Understanding Drug Interactions and Contraceptive Effectiveness in Women’s Health
Does Bleeding After Taking Emergency Contraceptive Count as a Period?
Is bleeding after taking emergency contraception considered a menstrual period? If your menstrual period has not arrived yet but you took emergency contraception and experienced bleeding the next day that resembles menstruation, this could be a side effect of the emergency contra...
Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, the cause of your bleeding cannot be determined as being due to the emergency contraceptive pill or other reasons. Additionally, the effectiveness of emergency contraception is not 100%, with a failure rate of about 3%. It is recommended that if you are unsure whether the ...[Read More] Does Bleeding After Taking Emergency Contraceptive Count as a Period?
Does Bleeding After Taking Emergency Contraceptive Count as a Period?
Is bleeding after taking emergency contraception considered a menstrual period? If your menstrual period has not arrived yet but you took emergency contraception and experienced bleeding the next day that resembles menstruation, it could be a side effect of the emergency contrace...
Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, the cause of your bleeding cannot be determined as being due to the emergency contraceptive pill or other reasons. Additionally, the effectiveness of emergency contraception is not 100%, with a failure rate of about 3%. If you are uncertain whether the bleeding is your men...[Read More] Does Bleeding After Taking Emergency Contraceptive Count as a Period?
Understanding Side Effects of IUDs: Is Numbness a Sign of Blood Clots?
Side effects of the Mirena IUD? Hello doctor, I first used the contraceptive ring on September 21, and starting from September 23, I have been experiencing persistent numbness and tingling in my arms (which has lasted for 3 days), and I also find that my legs are more prone to nu...
Dr. Zhang Kunmin reply Obstetrics and Gynecology
Hello, the diagnosis of thrombosis requires multiple tests for confirmation. Based on your description, if there are related side effects during pregnancy, it is advisable to discontinue the medication and consult a physician for evaluation. Thank you! Wishing you safety and heal...[Read More] Understanding Side Effects of IUDs: Is Numbness a Sign of Blood Clots?