Conception, Obstetrics and Gynecology FAQ

Understanding Pregnancy Timing: When Did Conception Occur?

The timing for pregnancy testing? On May 12, there was sexual intercourse without ejaculation. A pregnancy test on June 5 showed one line. After having unprotected intercourse on May 18, a visit to the obstetrician on June 20 confirmed pregnancy. Does this mean that the pregnancy...

Dr. Cao Guotao Reply:
Hello, a pregnancy test should be taken at least 12 days after conception to get accurate results. Conception likely occurred after May 18. Wishing you good health!

Does Drinking Alcohol Before Intercourse Affect Fertility?

Can drinking alcohol lead to pregnancy? Hello Doctor: My partner and I are preparing to have a baby. We usually do not drink alcohol and do not have a habit of drinking, but we drink before engaging in sexual intercourse, typically consuming about two bottles of beer. Other types...

Dr. Cao Guotao Reply:
Hello, drinking alcohol in moderation does not have an adverse effect. It seems that your intake might be a bit high; if controlled properly, it should not have an impact. Wishing you good health!

Does Cesarean Delivery Affect Future Fertility Chances?

Does a cesarean section affect the chances of conception? Hello, Doctor! In November 2013, at 36 weeks gestation (the weight was 3200 grams), a physician informed me that the fetus might be overweight at the due date, which could lead to complications during natural delivery (is ...

Dr. Lü Lizheng Reply:
1. Under normal circumstances, a cesarean section does not affect the chances of future pregnancies. However, in a small number of cases, some women may experience adhesions in the fallopian tubes after surgery, which can hinder their function and prevent sperm and egg from meeti...

Understanding Your Pregnancy Timeline: When Did Conception Likely Occur?

Pregnancy cycle Your last menstrual period started on March 24 and ended on March 31. Today is June 21, and you are currently 12 weeks and 2 days pregnant. Based on this information, ovulation and the most likely time for conception would have occurred approximately 2 weeks after...

Dr. Lü Lizheng Reply:
First, please ensure that your estimated gestational age is accurate in order to calculate the conception date correctly. Otherwise, if the gestational age is estimated incorrectly, the conception date will also be estimated incorrectly. The conception typically occurs around 2 w...

Understanding Pregnancy Chances After Starting Birth Control Pills

What is the likelihood of getting pregnant? Yesterday was the sixth day since my girlfriend started taking the contraceptive pill (Yasmin), and she took her sixth pill last night. She began taking it on the first day of her period and has been taking it almost every night before ...

Dr. Cao Guotao Reply:
Hello, if you start taking birth control pills on the fifth day of your menstrual period and take them consistently, they will be effective in preventing pregnancy, significantly reducing the chances of conception. Wishing you good health!

Understanding Pregnancy: Can Ovulation Tests Indicate Conception?

Are you pregnant? Hello Doctor: My period started on May 28, and I had ovulation tests from June 9, during which I was trying to conceive with a day of effort followed by a day of rest. Yesterday, I read online that ovulation tests can also detect pregnancy, so I tried one and go...

Dr. Yang Wangjun Reply:
Hello: Ovulation test strips measure LH (luteinizing hormone), while pregnancy tests detect b-HCG (beta-human chorionic gonadotropin). The biochemical molecules tested are different. To confirm pregnancy, a pregnancy test should be used. Thank you for your message!

Understanding Pregnancy Chances: When to Seek Medical Advice

Pregnancy issues Hello! I would like to inquire about my last menstrual period, which ended on May 25th, and my last sexual intercourse, which was on June 18th. My menstrual cycle is usually regular, occurring around the 21st, but it hasn't arrived this month. I went to the ...

Dr. Cao Guotao Reply:
Hello, a pregnancy test is usually accurate only after 12 days of conception. The chances of pregnancy are low, so it's best to use contraceptive measures beforehand. If your period does not arrive after another week, it is advisable to see a gynecologist. Wishing you good h...

Medication Safety During Early Pregnancy: What You Need to Know

Medications during pregnancy I experienced a cold and fever two to three weeks after conception and began medication at the obstetrics and gynecology clinic, despite not being pregnant. The medications prescribed included two different regimens: the first regimen for one and a ha...

Dr. Zhang Kunmin Reply:
Hello, based on your description, the medication on the first day is classified as Category A-B, while the medication on the second day is classified as Category A-C. The classifications are as follows: Category A: No risk of teratogenicity; these are safe medications that have...

Am I Pregnant? Understanding Irregular Periods and Testing Options

Can I get pregnant? My menstrual cycle has always been irregular. It used to come on the 13th or 14th, but it hasn't arrived this month yet. I had unprotected intercourse on June 17 and took a morning-after pill (the one with the pink packaging) less than an hour later. Toda...

Dr. Cao Guotao Reply:
Hello, a pregnancy test is usually accurate only after 12 days of conception. The chances of pregnancy are low, so it's best to use preventive measures beforehand. If your period is more than a week late, it is advisable to see a gynecologist. Wishing you good health.

Best Time to Take a Pregnancy Test After Unprotected Intercourse

Pregnancy test questions? The last menstrual period was from May 4 to May 7, and this period was from June 9 to June 15. Intercourse occurred on June 16 and June 18 without a condom, with ejaculation outside. If you want to take a pregnancy test, when is the best time to test? ...

Dr. Cao Guotao Reply:
Hello, a pregnancy test should be taken at least 12 days after conception to yield accurate results, so it is recommended to test after June 28. Wishing you good health.

Understanding Abnormal Bleeding: Pregnancy Concerns and Insights

Abnormal bleeding Doctor, I have a regular menstrual cycle (approximately 26-28 days). My last period started on May 26, and I had unprotected intercourse on June 5, with ejaculation outside. I took a pregnancy test on June 15, which was negative. However, I experienced intermitt...

Dr. Cao Guotao Reply:
Hello, a pregnancy test is usually reliable after 12 days of conception. The chances of pregnancy are low, so it's best to use contraception beforehand. If your period is more than a week late, it is advisable to consult a gynecologist. Wishing you good health.

Can You Get Pregnant from Friction and Protected Sex?

Can I get pregnant? If your girlfriend's menstrual period started on the 21st of last month and lasted for 5 days, and you had penile-vaginal contact with a condom on June 13th without penetration, the risk of pregnancy is very low. Since the sexual encounter occurred outsid...

Dr. Cao Guotao Reply:
Hello, the chances of pregnancy are low, but it's best to take preventive measures beforehand and not rely on the safe period. Wishing you good health.

Understanding Pregnancy Test Results: What Does One Line Mean?

Pregnancy test results I took a pregnancy test 26 days after having sexual intercourse with my partner, and it showed one line. Does this mean I am definitely not pregnant? I engaged in external genital contact without ejaculation. I really want to know, please help.

Dr. Cao Guotao Reply:
Hello, a pregnancy test should be taken at least 12 days after conception for accurate results. If the test shows one line, the chances of pregnancy are low. Wishing you good health.

Understanding Ovulation Cycles and Fertility Medications for Pregnancy Planning

Ovulation Period and Ovulation Medications Hello, doctor. I would like to ask: 1. My menstrual periods were on January 22, February 19, March 19, April 19, and May 22. Is this menstrual cycle considered regular or irregular? If it is regular, how can I determine my ovulation peri...

Dr. Zhang Kunmin Reply:
Hello, the irregularity of your menstrual cycle may lead to a significant margin of error in predicting your ovulation period, and the assumptions you mentioned may be difficult to implement. It is recommended that you consult a reproductive medicine specialist to evaluate whethe...

Am I Pregnant? Understanding Risks After Unprotected Intercourse

Is it still possible to get pregnant this way? I got my period on May 14 and it ended on May 20. I had unprotected intercourse on May 21, but I took emergency contraception within an hour. Then, on May 27, I experienced bleeding that resembled my period, lasting about 5 to 6 days...

Dr. Cao Guotao Reply:
Hello, emergency contraceptive pills can sometimes cause irregular menstruation. If the pregnancy test shows one line, it likely means you are not pregnant. Generally, a pregnancy test should be taken at least 12 days after conception to yield accurate results. It is best to use ...

Can Emergency Contraceptives Prevent Pregnancy After Unprotected Sex?

Can pregnancy occur despite using contraception? On May 31st at 5:30 PM, I had intercourse with my girlfriend without a condom and I'm unsure if there was ejaculation inside. Later, we had intercourse again with a condom and I ejaculated inside the condom. My girlfriend is w...

Dr. Cao Guotao Reply:
Hello, emergency contraception is still effective. Generally, a pregnancy test should be taken at least 12 days after conception to get accurate results. The chances of pregnancy are low, but it is best to use preventive measures beforehand. If your period is more than a week lat...

Pregnancy Test Results: What Does a Faint Line Mean After Intercourse?

If a pregnancy test shows one dark line and one faint line five days after sexual intercourse, is it accurate? Hello doctor, my last menstrual period started on May 1, and my menstrual cycle is 31 days, which is usually very regular, with a maximum deviation of one day. The last ...

Dr. Cao Guotao Reply:
Hello, a typical pregnancy test should be taken at least 12 days after conception for accurate results. The last time I had sexual intercourse with my boyfriend was on May 28, and today is June 1. The test showed one dark line and one faint line, which could indicate either a tes...

Understanding Conception Chances After Birth Control Use

Probability of conception Hello doctor, I have been taking Diane contraceptive pills for two months to regulate my menstrual cycle. The first day of my last period was April 26, and this time it started on May 24. If I have sexual intercourse on May 28 (the fifth day of my period...

Dr. Zhang Kunmin Reply:
What you need is not medical advice but rather a refresher on sexual health knowledge. For such questions, it is recommended to refer to the National Health Administration's "Sexual Happiness e-Learning" or the Obstetrics and Gynecology Society's "Consult...

Understanding Ovarian Cysts: Pregnancy Chances and Testing Tips

Menstruation has not occurred for an extended period? I came last month on April 20, and this time on May 27, I still haven't gotten my period. I visited the obstetrician-gynecologist on May 18 and May 25, but I didn't take the medication prescribed because I felt uncom...

Dr. Cao Guotao Reply:
Hello, a pregnancy test should be taken at least 12 days after conception for accurate results. If you suspect pregnancy, it's best to wait and also to use preventive measures beforehand. If there is ovarian cystic fluid without any discomfort, it can be monitored. Wishing y...

Understanding Ovarian Cysts: Symptoms, Concerns, and Pregnancy Chances

Ovarian hydrops I went to the gynecologist and found that I have ovarian cysts. My period was due on May 21 but hasn't arrived. I took a pregnancy test and it was negative, but I keep feeling nauseous, experiencing pain on both sides of my abdomen, and I have breast tenderne...

Dr. Cao Guotao Reply:
Hello, a pregnancy test usually requires at least 12 days after conception to yield accurate results. It is advisable to use preventive measures beforehand. If there is fluid accumulation in the ovaries, it may indicate the presence of a cyst; if it is not large, monitoring is su...

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