Conception, Obstetrics and Gynecology FAQ

Condom Mishap: Pregnancy Risks and Testing FAQs for First-Time Couples

Condoms worn inside out and pregnancy testing? 1. Having intercourse with your girlfriend on the fifth day of her menstrual period, especially since it was both of your first times, carries a lower risk of pregnancy, but there is still a possibility. Since the condom was initiall...

Dr. Cao Guotao Reply:
Hello, you should not be pregnant. You can take a pregnancy test 12 days after sexual intercourse, and it doesn't have to be the first test. Wishing you good health.

Understanding Pregnancy Risks: Can Friction Lead to Conception?

Probability of Pregnancy Hello, doctor. My last menstrual period was around May 24, and I usually have a very light flow that lasts about four days. Last Friday, June 23, I had some intimate contact with my boyfriend; we engaged in external rubbing for less than a minute without ...

Dr. Zhang Kunmin Reply:
Hello, based on your description, the chances of pregnancy are low but not impossible. As long as there are active sperm in the vagina during the ovulation period, there is still a possibility of pregnancy through any means. It is advisable to take appropriate contraceptive measu...

Essential Preconception Tips: Nutrition, Medications, and Health Checks

Matters related to preconception? Hello Doctor, I would like to ask you: 1. During the preconception period, what dietary supplements or foods should be consumed? Are there any other important considerations? 2. Will taking medications before conception or during pregnancy affe...

Dr. Cao Guotao Reply:
Hello, generally speaking, most medications do not leave residues and are not affected by food. Regular massage also does not have an impact. It is safe to perform a Pap smear during early pregnancy. Wishing you good health!

Understanding Pregnancy Risks After Unprotected Intercourse

What is the likelihood of getting pregnant? Having unprotected sexual intercourse with your girlfriend the day after her period ends, even if it was brief and without ejaculation, does carry a risk of pregnancy, although it is generally lower compared to other times in the menstr...

Dr. Cao Guotao Reply:
Hello, it should be the safe period, so the likelihood of pregnancy is probably low. Wishing you good health.

Can You Get Pregnant If a Condom Breaks During Intercourse?

Condom breakage? The female is 17 years old and had her menstrual period from June 7 to June 13. Yesterday, on June 17, she had sexual intercourse. During the act, the condom was found to be broken, and after withdrawing to check, it was thought to be intact, so intercourse conti...

Dr. Lin Xinwang Reply:
Hello: If the menstrual cycle is 28 days, ovulation occurs on the 14th day, so the chances of conception are higher around that time.

Understanding Fertility: Can You Get Pregnant After Taking Preconception Pills?

Sixth day of taking pre-exposure prophylaxis (PrEP)? Hello doctor, I am a patient with polycystic ovary syndrome (PCOS). I have been taking traditional Chinese medicine for regulation. My last menstrual period started on May 11, and this month it also started on the 11th. I took ...

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 pill use....

Understanding Pregnancy Risks: Common Concerns and Misconceptions

Probability of Pregnancy Hello, I had intimate contact with my girlfriend on May 27. During the process, there was no intercourse; I was wearing underwear and athletic shorts, and my girlfriend was wearing underwear and safety shorts. However, there were some of my secretions tha...

Dr. Huang Yuande Reply:
1. It is generally difficult to leave viable sperm behind, so the chances of pregnancy are low. 2. Sperm do not survive well outside the body. 3. If menstruation is occurring, pregnancy is obviously not possible. 4. It is difficult. 5. The chances are slim. 6. No, it wi...

Impact of Painkillers and Antibiotics on Conception: What to Know

Fertility medication issues? Doctor, I would like to ask: my menstrual period started on June 4th, and I had a tooth extraction on June 5th, during which I took a yellow elongated painkiller and a 3-day course of antibiotics (Cephalexin). If I successfully conceive during my ovul...

Dr. Cao Guotao Reply:
Hello, it generally does not have an impact. Wishing you good health.

Estimating Conception Date: Understanding Pregnancy Test Results and Timing

Estimated Date of Conception Hello Doctor, I am #196777. To summarize, the pregnancy test result at the clinic on 10/10 was negative. I returned for a follow-up on 10/17 to confirm the pregnancy and would like to ask further questions. Regarding your response: 1) A pregnancy te...

Dr. Huang Yuande Reply:
1. It is indeed possible that a pregnancy test on October 10 may not yield a positive result, as most home pregnancy tests can typically detect pregnancy about 2 to 3 weeks after conception. 2. This cannot be confirmed with 100% certainty; generally, the measurement of the embr...

Understanding Pregnancy Testing and Conception Dates: Your Questions Answered

Pregnancy test questions? Hello Doctor, I previously asked a question but due to an error in my statement, the issue was not addressed, so I am rephrasing my question. I have confirmed my pregnancy, and I would like to ask about my last menstrual period, which was at the end of A...

Dr. Huang Yuande Reply:
1. A urine test can only detect a positive result at least two weeks after sexual intercourse. 2. The estimated date of conception is around September 24 or September 26.

Understanding Pregnancy Testing and Conception Dates: Your Questions Answered

Pregnancy test questions? Hello Doctor, I previously asked a question but due to an error in my statement, the issue was not addressed. I am now rephrasing my question. I have confirmed my pregnancy, and my last menstrual period was at the end of August last year. I had sexual in...

Dr. Huang Yuande Reply:
1. A urine test can detect a positive result at least two weeks after sexual intercourse. 2. The estimated date of conception is around September 24 or September 26.

Understanding Pregnancy Testing and Conception Dates: Your Questions Answered

Dr. Huang Yuande Reply:
1. A urine test can detect a positive result at least two weeks after sexual intercourse. 2. The estimated date of conception is around September 24 or September 26.

Understanding Pregnancy Confirmation and Estimated Conception Dates

Pregnancy Test and Conception Date Hello Doctor, I have confirmed my pregnancy and would like to ask about my last menstrual period, which was at the end of August last year. I had sexual intercourse on September 19, 24, 26, and 28, as well as on October 3 and 5. On October 10, I...

Dr. Huang Yuande Reply:
1. Assuming that the menstrual cycle is regular, typically 28 days or a fixed number of days (such as 32 days), ovulation occurs around 14 days before the next period. Adding 1 to 2 days before and after this date defines the fertile window. 2. Therefore, if the estimated due dat...

Understanding Pre-Conception Pills: Effectiveness and Concerns Explained

About emergency contraceptive pills? Hello, doctor. I would like to confirm a few points regarding pre-exposure contraceptive pills to ensure my understanding is correct. Thank you! 1. The use of pre-exposure contraceptive pills works by hormonal suppression of ovulation. Does ...

Dr. Huang Yuande Reply:
1. Generally speaking, but the mechanisms of action of contraceptive pills still involve other processes. 2. Yes. 3. There is no reference point, but if contraceptive pills are used continuously, the chances of pregnancy are very low.

Understanding Conception Date: Is It the Same as Intercourse Date?

What is the date of conception? Hello doctor, I would like to ask if the date of conception is the same as the date of intercourse? The doctor mentioned that my due date is November 30, and I would like to know when the date of conception would be. When is the estimated time of p...

Dr. Huang Yuande Reply:
An egg can survive for about one day after ovulation, while sperm can live for approximately 2 to 3 days. Therefore, the days of intercourse and the day of conception may differ by one or two days. If we count back from the 9th week to the 7th week, that would indicate the day of...

Understanding Ultrasound Dating in Pregnancy: Accuracy and Implications

Ultrasound Pregnancy Gestational Age Last year on November 2nd, the ultrasound showed 5 weeks and 6 days, and the doctor estimated the due date to be June 29. On November 16th, the ultrasound showed 8 weeks and 4 days, and the doctor adjusted the due date to June 24. The last men...

Dr. Zhang Kunmin Reply:
Hello, the estimated date of conception based on ultrasound can have a discrepancy of several days to weeks, which may lead to unnecessary confusion and disputes. It is recommended that if confirmation is needed, a DNA test should be conducted. Thank you! Wishing you peace and he...

Post-Laparoscopic Surgery Concerns: Endometriosis and Fertility Questions

Postoperative issues following laparoscopic surgery? Hello, Doctor. I underwent laparoscopic surgery in April to remove a nearly 15 cm chocolate cyst and underwent adhesiolysis due to endometriosis. During the procedure, there was significant bleeding due to adhesions, and I also...

Dr. Huang Yuande Reply:
1. It is possible to experience some bleeding during the recovery period due to potential irritation of the endometrium; however, urinary tract infection is a separate issue. 2. Menstruation is expected to resume about 1 to 2 months after discontinuing the medication. 3. It is no...

Understanding Conception Dates and Due Dates in Irregular Cycles

The date of conception and the due date? I would like to ask the doctor: My menstrual cycle is very irregular, sometimes I don't get my period for a month or even two to almost three months. When I do get my period, it lasts about five days. I have been with my boyfriend for...

Dr. Huang Yuande Reply:
If the ultrasound examination shows 8 weeks, that means conception likely occurred approximately 6 weeks ago, which is about 1/3 of the way back.

Can You Have Intercourse on Ovulation Day After Treating a Yeast Infection?

Treatment of infections during the preconception period? Hello Dr. Chen, I would like to ask if during the preconception period, I encounter a fungal infection and the doctor prescribes a 6-day course of suppositories and oral medication, with the 7th day being the ovulation day....

Dr. Chen Zhiyu Reply:
Hello, it is advisable to complete the treatment and confirm recovery before proceeding. Thank you.

Understanding Fetal Weeks and Conception Dates: A Guide for Expecting Mothers

Fetal gestational age and conception date? I hope the doctor can help me clarify the following questions. I experienced vaginal inflammation and a Candida infection in August and September of 2022. I am unsure if my physical condition affected this. By mid-October, I had not gott...

Dr. Cao Guotao Reply:
Hello, it is possible to estimate the date of conception using ultrasound; however, it is not possible to determine the exact day around September 30th. Wishing you good health.

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