Understanding Light Menstrual Flow vs. Early Pregnancy Bleeding
Light menstrual flow or early pregnancy bleeding? Hello, I would like to ask whether my situation indicates light menstrual flow or early pregnancy bleeding. On August 26 (during the fertile window), my boyfriend had penetrative intercourse but did not ejaculate. Prior to this, h...
Dr. Huang Zifei reply Obstetrics and Gynecology
Dear 0302, There are many causes of vaginal bleeding, and considering that withdrawal is not a reliable contraceptive method, it is recommended to consult with a gynecologist for diagnosis and advice.[Read More] Understanding Light Menstrual Flow vs. Early Pregnancy Bleeding
Understanding the Impact of Changing Birth Control Start Days
Emergency contraceptive pill Hello, doctor. I started taking the first pack of PrEP (Apretude) last month, beginning on the third day of my period on August 16. Today is the second day after stopping the medication (September 7), and I returned to the clinic to pick up the second...
Dr. Huang Zifei reply Obstetrics and Gynecology
Dear Li, You can start taking the oral contraceptive pills from the first day to the fifth day of your menstrual period. Here is an alternative method of use: take the pills for 21 days, then take a 7-day break before starting the next pack. This 21/7 regimen may help you remem...[Read More] Understanding the Impact of Changing Birth Control Start Days
Understanding Pregnancy Chances After Unprotected Intercourse
Probability of Pregnancy Hello doctor, I apologize for the interruption. Recently, I had unprotected intercourse with my girlfriend, and we are certain about the possibility of in vitro fertilization. Her menstrual tracking app indicates that ovulation is expected in two days. Wh...
Dr. Huang Zifei reply Obstetrics and Gynecology
Dear Mr. Yang, Coitus interruptus is not an effective method of contraception. It is recommended to take emergency contraception. Emergency contraceptive pills should be taken within 72 hours after sexual intercourse, and the sooner they are taken, the better the contraceptive e...[Read More] Understanding Pregnancy Chances After Unprotected Intercourse
Effectiveness of Ella Emergency Contraceptive Pill During Ovulation
Emergency contraceptive pill ella Hello Doctor, I would like to inquire about the effectiveness of the emergency contraceptive pill Ella during the ovulation period and after ovulation. I have been struggling to find clear answers online; some say it is ineffective after ovulatio...
Dr. Huang Zifei reply Obstetrics and Gynecology
Dear Huang, The effectiveness of emergency contraceptive pills is closely related to the timing of administration after sexual intercourse. It is recommended to take the pill within 72 hours after the event; the sooner it is taken, the higher the success rate. The effectiveness ...[Read More] Effectiveness of Ella Emergency Contraceptive Pill During Ovulation
Post-Abortion Concerns: Understanding Symptoms and Pregnancy Risks
Post-abortion issues? My girlfriend had a medical abortion a little over two weeks ago. We had intercourse while she was not bleeding, but I used a condom that did not break. She took the medication on August 19, but she is experiencing abdominal pain and nausea. Is there a possi...
Dr. Huang Zifei reply Obstetrics and Gynecology
Dear You, May I ask if you will return for a follow-up examination in obstetrics and gynecology to check if everything has cleared out? Please make sure to visit the obstetrics and gynecology department to confirm the success of the medical abortion. Dr. Huang Zifei, Nantou H...[Read More] Post-Abortion Concerns: Understanding Symptoms and Pregnancy Risks
Do I Need to Take Menstrual Delay Medication Again for My Trip?
If I went out at the same time last month and this month, do I still need to take the medication for erectile dysfunction? Last month, I traveled from August 12 to 15 and took medication to delay my period. I stopped the medication on the 14th and got my period on the 17th. Now, ...
Dr. Huang Zifei reply Obstetrics and Gynecology
Dear Ms. Chen, If your menstrual cycle is consistently 30 days, there is a chance that you may not experience bleeding during your trip. I recommend that you prepare some menstrual delay medication. If your period starts earlier than expected while you are traveling, you can tak...[Read More] Do I Need to Take Menstrual Delay Medication Again for My Trip?
Understanding HPV Testing: Common Concerns and Recommendations
Questions about HPV testing? Hello, Doctor Huang: I had my first sexual experience about 4 months ago with my ex-boyfriend, who is not a virgin. Since I cannot determine whether my ex-boyfriend had any previous sexual partners who were HPV carriers, I have some questions that I h...
Dr. Huang Zifei reply Obstetrics and Gynecology
Dear Z, 1. Oral HPV can also be screened using a swab test, which can be performed by both obstetricians and infectious disease specialists. 2. If you are concerned, you can certainly get tested (this is an out-of-pocket expense). About 90% of those infected with this virus can ...[Read More] Understanding HPV Testing: Common Concerns and Recommendations
Understanding Irregular Bleeding with Emergency Contraceptive Pills
Emergency contraceptive pill Hello doctor, this is my first time taking oral contraceptives. I started my period on August 16 and began taking the pill (Yaz) on the first day of my period. Since then, I have experienced light bleeding with small clots, and this has continued unti...
Dr. Huang Zifei reply Obstetrics and Gynecology
Dear Yi, Most oral contraceptives can cause a reduction in menstrual flow, and some may have side effects such as spotting. It is recommended to try a different brand. However, for any abnormal bleeding, it is advisable to take a pregnancy test to rule out the possibility of pr...[Read More] Understanding Irregular Bleeding with Emergency Contraceptive Pills
Understanding Vaginal Ultrasound Accuracy in Pregnancy Detection
Accuracy of Transvaginal Ultrasound The last sexual intercourse occurred on March 30. If a transvaginal ultrasound was performed on August 5 and the doctor indicated that there were no signs of pregnancy, does that mean there is no pregnancy? Is it possible that one could actuall...
Dr. Huang Zifei reply Obstetrics and Gynecology
Dear Candy, Basically, your last sexual intercourse was on March 30, and there has been no possibility of sexual activity in between. A transvaginal ultrasound examination at the obstetrics and gynecology department did not reveal any signs of pregnancy. Typically, a pregnancy ...[Read More] Understanding Vaginal Ultrasound Accuracy in Pregnancy Detection
Can You Get Pregnant from Pre-Ejaculate During Bathing?
Can I get pregnant? On August 13, my girlfriend started her period, which lasted until the 18th or 19th. On the 22nd, we were in the bathroom, and she was helping me. During the process, she used water to rinse her hands and important areas, and also applied some body wash. Event...
Dr. Huang Zifei reply Obstetrics and Gynecology
Dear Haohao, If your girlfriend has not completed her cleaning before starting to wash her genital area, it may not effectively reduce the risk of pregnancy. If her menstruation is delayed by more than a week, please remember to take a pregnancy test. For any other concerns, pl...[Read More] Can You Get Pregnant from Pre-Ejaculate During Bathing?
Understanding Pregnancy Chances: A Guide for Women
Probability of Pregnancy Hello Dr. Huang: My last menstrual period started on July 23, with a regular cycle of 26 days, so I expect my next period on August 17. On day 4 of my period, July 26, there was unprotected intercourse. On day 17, August 8, we used a condom throughout int...
Dr. Huang Zifei reply Obstetrics and Gynecology
Dear Lin, Basically, withdrawal (coitus interruptus) is not considered a reliable method of contraception, and the timing of your pregnancy test is still too early. It is usually recommended to wait a week after your missed period for a more accurate result. If you have any oth...[Read More] Understanding Pregnancy Chances: A Guide for Women
Can You Get Pregnant from Pre-Ejaculate? Understanding the Risks
Can I get pregnant? Your girlfriend's menstrual period was from August 10 to August 16, and it ended on August 17. On August 17, there was genital contact without penetration or ejaculation, but there was a significant amount of pre-ejaculate fluid. Is it possible for her to...
Dr. Huang Zifei reply Obstetrics and Gynecology
Dear Ah Dong, The prostate also contains sperm, and if it comes into contact with the vagina, there is still a chance for the sperm to swim over. If your girlfriend's period is delayed by a week, please have her take a pregnancy test. If there are any other concerns, pleas...[Read More] Can You Get Pregnant from Pre-Ejaculate? Understanding the Risks
How Long Before Pregnancy Should You Stop Taking Finasteride?
How long before trying to conceive should one stop taking Boska? Hello doctor, I am currently taking half a tablet of finasteride daily for hair loss. I have plans to become pregnant in the future. How long before conception should I stop taking the medication to avoid affecting ...
Dr. Huang Zifei reply Obstetrics and Gynecology
Dear E, The half-life of Boscalid (the time it takes for half of the drug to be metabolized) is approximately 6 hours (with a distribution range of 3 to 16 hours). Therefore, it is generally recommended to wait at least 32 hours after discontinuation before attempting to concei...[Read More] How Long Before Pregnancy Should You Stop Taking Finasteride?
Understanding Vaginal Discharge: Signs of Infection or Normal Variation?
Vaginal issues Hello, I would like to ask if this situation resembles a vaginal infection. My last menstrual period ended on July 21, and starting July 26, I had brown discharge for four consecutive days (previously, I would have brown discharge about a week after my period, whic...
Dr. Huang Zifei reply Obstetrics and Gynecology
Dear An-An, The vagina, like the gastrointestinal tract, has a normal microbiota, predominantly consisting of lactobacilli. When there is an imbalance, it may lead to symptoms similar to what you are experiencing. However, the body's immune system can often correct this co...[Read More] Understanding Vaginal Discharge: Signs of Infection or Normal Variation?
Understanding Pregnancy Risks: Should You Consider Emergency Contraception?
Can I get pregnant? I got my period on July 29 and it ended on August 4. I had unprotected intercourse two days before my period, and on the third day of my period, I also had unprotected intercourse. On August 9, I inserted a few times and then pulled out. What is the likelihood...
Dr. Huang Zifei reply Obstetrics and Gynecology
Dear Jill, Basically, engaging in sexual intercourse without using condoms and without taking preemptive contraceptive pills increases the chance of pregnancy. Emergency contraception is only effective for a single instance of unprotected intercourse (and taking it afterward may...[Read More] Understanding Pregnancy Risks: Should You Consider Emergency Contraception?
Understanding Pregnancy Tests: Common Questions and Concerns
Pregnancy test questions? Q1: If I use a commercially available pregnancy test four months after the last sexual intercourse, can I obtain an accurate result at any time of the day (morning or evening)? If the result is negative, is it possible that I am actually pregnant but the...
Dr. Huang Zifei reply Obstetrics and Gynecology
Dear ABC, Q1: The time of day does not affect the results, but it may not be possible to detect pregnancy 4-5 weeks prior. Since your last menstrual period was 4 months ago and the result is negative, it indicates that you are not pregnant. Q2: You can consider these regular bl...[Read More] Understanding Pregnancy Tests: Common Questions and Concerns
Am I at Risk of Pregnancy? Do I Need Emergency Contraception?
Can I get pregnant? Do I need to take emergency contraception? Hello Doctor: My last menstrual period was from July 21 to 25, and my cycle is usually around 28 to 30 days, very regular. From July 28 to July 30, the app indicated a low probability of pregnancy, so my boyfriend and...
Dr. Huang Zifei reply Obstetrics and Gynecology
Dear Shu, Due to the backend system passing the questions to me, there is a time delay in my responses. It is now August 2nd (the backend will process on August 4th). If you have an urgent issue, I recommend seeking help from an obstetrician-gynecologist or the emergency departm...[Read More] Am I at Risk of Pregnancy? Do I Need Emergency Contraception?
How Accurate Are Hospital Pregnancy Tests? Understanding Results and Concerns
Is pregnancy testing in hospitals accurate? It has been 51 days since the last intimate relationship, and I went to the hospital for a pregnancy test. I have had my menstrual period twice since then (normal duration, flow, and color), but I am concerned that I might have mistaken...
Dr. Huang Zifei reply Obstetrics and Gynecology
Dear Baibai, Generally, the urine pregnancy tests used in hospitals are accurate, and any blood-tinged discharge will not affect the results. If you are still very concerned, you can opt for a blood test to check the pregnancy hormone level (B-HCG) at your own expense. This dou...[Read More] How Accurate Are Hospital Pregnancy Tests? Understanding Results and Concerns
Is Pregnancy Test Accurate 45 Days After Last Intimacy?
Pregnancy test-related questions? If you take a pregnancy test 45 days after your last intimate relationship, the result is generally considered accurate. However, there is a possibility that you could be pregnant but the test may not detect it, especially if you tested too early...
Dr. Huang Zifei reply Obstetrics and Gynecology
Dear Cheng, The last time was 45 days ago. If your menstrual period does not arrive soon, please take a pregnancy test as the results will be accurate. If you have any other questions, please visit the obstetrics and gynecology department. Dr. Huang Zifei, Nantou Hospital, Ob...[Read More] Is Pregnancy Test Accurate 45 Days After Last Intimacy?
When Will My Period Return After Uterine Polyp Removal?
When will menstruation return after a uterine polyp removal? Due to my issues with uterine polyps, I underwent a polypectomy on July 2nd. As of now, I have not yet had my menstrual period. I would like to ask the doctor if the removal of the polyps will affect my menstrual cycle....
Dr. Huang Zifei reply Obstetrics and Gynecology
Dear Xiao-Hui, After the uterine polyp surgery, it is possible for your menstrual period to be irregular for 1 to 3 months due to the impact on the endometrium. Following that, your menstrual cycle may still be irregular as it is influenced by hormonal regulation. Typically, you...[Read More] When Will My Period Return After Uterine Polyp Removal?