Conception, Obstetrics and Gynecology FAQ

Understanding Your Conception Date: A Guide for Women

Calculate the date of conception? Doctor, my menstrual cycle has only been recorded since February, with three cycles of 29, 37, and 31 days respectively. The first day of my last menstrual period was on May 17. On June 20, I took a morning pregnancy test that showed two very dar...

Dr. Cao Guotao Reply:
Hello, your menstrual period started on May 17, so it should not occur on May 5 or May 12. Wishing you good health.

Understanding Ovarian Cysts: Causes, Effects on Pregnancy, and Treatment

Questions about cysts? Hello, Doctor. I would like to ask a few questions regarding cysts, thank you. 1. What are the common causes of cysts? 2. Since I am preparing for pregnancy, will cysts affect conception? 3. At what size should cysts typically be addressed? 4. Can cyst...

Dr. Zhang Kunmin Reply:
Hello, inquirer: There are many types of ovarian cysts, each with different causes and treatment decisions, which are related to factors such as age, reproductive status, family history, medical history, and symptoms. The content on this website cannot replace a face-to-face diag...

Understanding Conception: Key Questions About Fertility and Birth Control

Pregnancy-related sexual activity Hello, doctor. 1. It is known that pre-coital contraceptive pills increase progesterone levels, thickening the endometrium to prevent implantation of a fertilized egg. This means that if a person takes pre-coital contraceptive pills and happens...

Dr. Cao Guotao Reply:
Hello, the primary mechanism of birth control pills is to interfere with the implantation of the fertilized egg. Taking them consistently provides contraceptive effects, which remain the same regardless of other factors. Wishing you good health.

Can You Get Pregnant from Unprotected Sex on the First Day of Period?

Can I get pregnant? Having unprotected intercourse on the first day of your girlfriend's menstrual period carries a low risk of pregnancy, especially if her menstrual cycle is approximately 28 days and lasts for 7 days. However, it is still possible for sperm to survive in t...

Dr. Zhang Kunmin Reply:
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...

Understanding Your Conception Date: A Guide for Expecting Mothers

Pregnancy date My last menstrual period started on April 30. I had intercourse on May 7 and May 20. I tested positive for pregnancy on June 2, and during my gynecological check-up on June 12, the doctor said I was already six weeks along and that I conceived successfully on May 1...

Dr. Zhang Kunmin Reply:
Hello, based on your description, it is not possible to make a diagnosis. Please consult a physician who can perform an ultrasound examination in conjunction with your medical history to confirm. Thank you! Wishing you peace and health. Dr. Chang

Understanding Menstrual Changes: The Impact of Myo-Inositol on Cycle Regularity

Menstruation used to occur every 35 days, but now it occurs every 29 days? I started taking inositol at the beginning of May, and my period came early on June 2nd. Is this menstrual cycle normal? Is inositol beneficial for women? I want to get pregnant, but my body doesn't n...

Dr. Huang Zifei Reply:
Dear Dodo, 1. A menstrual cycle of 21 to 45 days is considered common. If the cycle adjusts to 28 to 30 days after menstruation, increasing the frequency of ovulation can also enhance the chances of conception. 2. Inositol, also known as vitamin B8, is a polyol derived from glu...

Understanding Pregnancy Chances After Unprotected Intercourse: Key Insights

Pregnancy probability Hello doctor, on May 27th, I had unprotected vaginal intercourse with my boyfriend, but he withdrew in less than 20 seconds. I did not feel any fluid being released during the encounter. However, the calendar app indicated that it was my ovulation day, which...

Dr. Cao Guotao Reply:
Hello, the chances of pregnancy should be low. Let's wait another week to see if your period arrives. If it does, there is no issue. If it doesn't, I recommend seeing a gynecologist. Wishing you good health.

Preparing Your Body for Pregnancy After Birth Control: Tips and Advice

Nourishing the body? Because I used to take birth control pills frequently, about twice a month, I am now planning to conceive but am concerned that my previous use of the medication may affect my ability to get pregnant. I would like to ask the doctor what methods I can use to p...

Dr. Cao Guotao Reply:
Hello, if you want to get pregnant, simply stop taking the birth control pills. Stay relaxed, maintain a normal lifestyle, and have intercourse during your fertile window around ovulation to increase your chances of conception. Wishing you good health!

Understanding Your Pregnancy Dates: A Guide for Irregular Cycles

Pregnancy date Hello, I would like to inquire about my pregnancy dates. I have mild polycystic ovary syndrome (PCOS) and my menstrual cycle is irregular. My last menstrual period started on November 5. I took medication to delay my period from December 18 to December 26. I had se...

Dr. Cao Guotao Reply:
Hello, you should have conceived during the week of January. Wishing you good health.

Can You Get Pregnant from Unprotected Sex Without Ejaculation?

Will this lead to pregnancy? My menstrual cycle is approximately 33 to 35 days, and I have my period for about 7 days. On the first day after my period ended, I had unprotected intercourse with my boyfriend, but he did not ejaculate. The duration was about five minutes. Is there ...

Dr. Zhang Kunmin Reply:
Hello, the questioner: Due to the variability and inaccuracies associated with ovulation days, there is still a chance of conception even if ejaculation does not occur, as pre-ejaculatory fluid may contain sperm. It is advisable to use emergency contraception, although its effect...

Understanding Ovulation: Pregnancy Risks After Unprotected Intercourse

Ovulation issues Hello, if your girlfriend ovulated on the evening of May 17 and you had unprotected intercourse with ejaculation on May 22, there is a possibility of pregnancy. Sperm can survive in the female reproductive tract for up to five days, so if ovulation occurred short...

Effectiveness of Pre-Conception Birth Control Pills on Pregnancy Rates

What is the pregnancy rate with this method, approximately what percentage? Hello doctor, if I take the morning-after pill and have unprotected intercourse during the safe period, what is the effectiveness rate of contraception? Will it increase the contraceptive effectiveness? W...

Dr. Cao Guotao Reply:
Hello, emergency contraceptive pills are effective for contraception and provide peace of mind. You may consider low-dose options. Wishing you good health.

Understanding Fertility: Semen Drying and Vaginal Discharge Concerns

Fertility and Discharge Issues Hello, what is the probability of conception if semen dries on the hand before entering the vagina? What is the probability of conception if the semen is still wet? Occasionally, after using the restroom, I notice clear discharge with red streaks; w...

Dr. Cao Guotao Reply:
Hello, once semen has dried, it should not lead to pregnancy. Even if it hasn't dried, the chances are still low. If there are traces of blood, it is advisable to monitor the situation for now. Wishing you good health.

Accuracy of Pregnancy Test Strips Three Months Post-Conception

Accuracy of pregnancy test strips Hello, I would like to ask if pregnancy test strips are still accurate three months after fertilization. What is the accuracy rate?

Dr. Zhang Kunmin Reply:
Hello, the accuracy of the test strip is approximately 95% or higher if it is normal. Thank you! Wishing you peace and health. Dr. Zhang

Understanding Post-Pill Bleeding: Menstruation, Side Effects, or Implantation?

Vaginal bleeding after taking emergency contraception can be classified as menstrual bleeding, a side effect, or implantation bleeding? Hello, Doctor! My menstrual cycle averages between 29 to 35 days, with bleeding lasting about 6 to 7 days. Recently, my menstrual dates have bee...

Dr. Wu Xianghui Reply:
1. For pregnancy concerns, please take a home pregnancy test or visit a gynecologist for examination and evaluation four weeks after your most recent sexual intercourse. 2. The menstrual cycle can be influenced by various psychological and physiological factors. If your period is...

Can You Take Ovulation Pills and Birth Control Together?

Can menstrual regulation medication and preemptive contraception be taken simultaneously? I am currently taking Clomiphene Citrate (commonly known as Clomid) every month for five days. However, as far as I know, Clomiphene Citrate is used to assist with ovulation. I would like to...

Dr. Zhang Kunmin Reply:
Hello, the two medications are generally not taken together. It is recommended to discuss this with the prescribing physician. Thank you! Wishing you peace and health, Dr. Zhang.

Could I Get Pregnant? Understanding Fertility and Timing

Can I get pregnant? My girlfriend had her period on March 27th (lasting about 3-4 days), and this month she started on April 21st (also lasting about 3-4 days), with an average cycle of about 27 days. On April 24th, we had unprotected intercourse but I withdrew before ejaculation...

Dr. Zhang Kunmin Reply:
Hello, if your menstrual cycle is irregular, ovulation may not necessarily occur early or on time, making it more difficult to estimate the chances of conception. It is still recommended to take appropriate contraceptive measures. If your period is more than a week late, it is ad...

Can a 31-Year-Old with AMH 1.12 Still Conceive Naturally?

31 years old, AMH 1.12? Hello, doctor. I have a few questions to ask. 1. Is there still a chance for a 31-year-old with an AMH of 1.12 to conceive naturally? 2. Can low AMH levels be improved through treatment? 3. For a 31-year-old with an AMH of 1.12 who wants to get pregnant, w...

Dr. Cao Guotao Reply:
Hello, AMH only indicates the quantity of remaining eggs; a lower value means fewer eggs, but it does not mean that conception is impossible. At 31 years old, if your menstrual cycle is still regular, there should still be a chance of pregnancy, so there is no need to worry. Wish...

Understanding Pregnancy Weeks: Calculating Conception Date vs. Last Menstrual Period

Gestational age To determine the estimated date of conception based on your menstrual cycle and ultrasound findings, we typically consider the first day of your last menstrual period (LMP) as the starting point for calculating gestational age. Your last menstrual period began o...

Dr. Huang Yuande Reply:
Due to the administration of emergency contraceptive pills, the assessment can only be made through ultrasound. Based on this estimation, conception likely occurred around March 21.

Determining Your Conception Date: Insights for Expecting Mothers

What is the date of conception? Based on your information, if you had intercourse on October 6, October 14, and October 31, and you tested positive for pregnancy at 5 weeks and 3 days, it is more likely that conception occurred around October 14. This aligns with an estimated due...

Dr. Huang Yuande Reply:
If the menstrual cycle is 28 days, the chances are higher on October 6th.

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