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.[Read More] Understanding Conception Dates and Due Dates in Irregular Cycles
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.[Read More] Understanding Fetal Weeks and Conception Dates: A Guide for Expecting Mothers
Calculating Conception Date Based on Due Date: A Guide
Calculating the date of conception? If the due date is September 20, the estimated conception date would be around December 27 of the previous year. Currently, you are at 19 weeks of gestation.
Dr. Cao Guotao Reply:
Hello, it should be around the end of December. Wishing you good health.[Read More] Calculating Conception Date Based on Due Date: A Guide
Understanding Vaginal Ultrasound: Pregnancy Weeks and Due Dates Explained
Vaginal ultrasound gestational age question? Hello doctor, I would like to inquire about my pregnancy. An ultrasound shows that I am 6 weeks and 5 days pregnant. My last menstrual period started on February 26. I had sexual intercourse on March 11 and March 20. Can I determine wh...
Dr. Huang Yuande Reply:
If the menstrual cycle is regular, the possible time of fertilization can be calculated by taking the date of examination, subtracting 2 weeks, and then counting forward 6 weeks and 5 days.[Read More] Understanding Vaginal Ultrasound: Pregnancy Weeks and Due Dates Explained
Understanding Pregnancy Weeks: How to Calculate Your Due Date
Is the number of weeks and days correct? Hello, Chief Physician: I have a question. My menstrual period started on December 2, 2022, and I had intercourse on December 20-21. I went for an ultrasound on February 2, and the doctor said I was already 8 weeks and 3 days pregnant. How...
Dr. Cao Guotao Reply:
Hello, the gestational weeks are calculated from the first day of your last menstrual period, which should be accurate. Wishing you good health.[Read More] Understanding Pregnancy Weeks: How to Calculate Your Due Date
Calculating Possible Conception Dates: A Guide for Women
Calculation of Conception Date Hello Doctor, my last menstrual period was on February 4 (with a menstrual cycle of 31 days) and my cycles are regular, lasting about 4 days. An ultrasound on March 30 showed 7 weeks and 1 day, and on May 11, it showed 13 weeks and 5 days, with a du...
Dr. Zhang Kunmin Reply:
Hello, the time interval you described is too close to determine accurately. Typically, the estimated conception date is more accurate at 8-9 weeks of pregnancy; other weeks may have a larger margin of error. If necessary, I recommend a DNA test for confirmation. Thank you! Wishi...[Read More] Calculating Possible Conception Dates: A Guide for Women
Understanding Conception Dates: Can February 9 Be the Day?
Fertility issues Hello Doctor, my last menstrual period was on February 4 (with a menstrual cycle of 31 days). I had an ultrasound on March 30 at 7 weeks and 1 day, and my due date is November 11, with the gestational age at 13 weeks and 5 days. I had protected intercourse with e...
Dr. Cao Guotao Reply:
Hello, the dates of February 9th and February 10th are too close together to determine clearly. However, since you used a condom on February 9th, the likelihood of any issue should be low. Wishing you good health.[Read More] Understanding Conception Dates: Can February 9 Be the Day?
Understanding Conception Dates: A Guide for Expecting Mothers
Fertility issues Dr. Zhang mentioned that it is more accurate to estimate the conception date 6-8 weeks after the ultrasound. On February 23, the ultrasound showed 6 weeks and 2 days, with a due date of October 17. On March 4, the ultrasound showed 7 weeks and 1 day, with a due d...
Dr. Zhang Kunmin Reply:
Hello, in response to your inquiry: Since your due date has been adjusted multiple times in the early weeks, it indicates a significant margin of error and may not be accurate. Additionally, there is a 3-5 day variation between the date of conception and implantation. Based on th...[Read More] Understanding Conception Dates: A Guide for Expecting Mothers
Calculating Conception Date Based on Due Date: A Guide for Expecting Mothers
Calculating the conception date? If the due date is October 23, the estimated conception date would be around January 16. Since you took a pregnancy test on February 6 and only saw one line, it could indicate a negative result. However, when you tested again on February 14 and th...
Dr. Zhang Kunmin Reply:
Hello, the date of conception is usually estimated accurately through ultrasound at around 8 to 9 weeks of pregnancy. Based on your description, it is difficult to make an accurate calculation and explanation. Thank you! Wishing you peace and health, Dr. Zhang.[Read More] Calculating Conception Date Based on Due Date: A Guide for Expecting Mothers
Understanding Conception Dates: Clarifying Your Pregnancy Timeline
Date of conception I would like to ask about my last menstrual period, which started on January 1, 2022. I did not have my period on February 1, and I took a pregnancy test on February 6, which showed one line. Until February 14, when I tested again, the first line appeared, and ...
Dr. Huang Yuande Reply:
It is difficult to determine from your description. It is recommended to confirm the due date through ultrasound and then calculate backwards for a more reliable estimate.[Read More] Understanding Conception Dates: Clarifying Your Pregnancy Timeline
Understanding Conception Dates: Clarifying Your Pregnancy Timeline
It's unclear when conception occurred? I would like to ask about my last menstrual period, which started on January 1, 2022. I did not get my period on February 1, and I took a pregnancy test on February 6, which showed one line. I tested again on February 14, and initially,...
Dr. Cao Guotao Reply:
Hello, according to your obstetrician-gynecologist, it should not happen before January 20. Wishing you good health.[Read More] Understanding Conception Dates: Clarifying Your Pregnancy Timeline
Understanding Conception Dates: How to Calculate Your Fertility Window
Date of conception Doctor, I would like to ask about my due date, which is December 30 of this year. My menstrual cycle is very irregular, and I want to know what my conception date might be. Thank you! 🙏 I started trying to conceive on March 17. How many days apart are the days ...
Dr. Zhang Kunmin Reply:
Hello, based on your description, it is more accurate to estimate the date of conception around 8-9 weeks into the pregnancy. There can be a difference of 3-7 days between the date of intercourse and the date of conception. Thank you! Wishing you peace and health. Dr. Chang[Read More] Understanding Conception Dates: How to Calculate Your Fertility Window
Understanding Unplanned Pregnancy: Calculating Gestational Age and Conception Dates
I found out I was pregnant on July 14th, and I am currently 27 weeks and 4 days along? Hello doctor, I would like to ask about a gynecological examination on July 14, 2022, where the cycle was noted as 27 weeks and 4 days. The child has not had her menstrual period and we all tho...
Dr. Zhang Kunmin Reply:
Hello, the estimated due date and conception date are usually more accurate when calculated around 8-9 weeks of pregnancy. However, the margin of error increases significantly in later weeks, so based on your description, it is not possible to accurately estimate the conception d...[Read More] Understanding Unplanned Pregnancy: Calculating Gestational Age and Conception Dates
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.[Read More] Understanding Your Pregnancy Dates: A Guide for Irregular Cycles
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.[Read More] Understanding Pregnancy Weeks: Calculating Conception Date vs. Last Menstrual Period
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.[Read More] Determining Your Conception Date: Insights for Expecting Mothers
Assessing Pregnancy Risks After Ectopic Pregnancy: Key Considerations
Pregnancy Risk Assessment Hello, I apologize for the interruption. I would like to inquire about the assessment of a case involving a 20-year-old woman who experienced an ectopic pregnancy a year ago. She has recently conceived naturally without planning, and the estimated due da...
Dr. Zhang Kunmin Reply:
Hello, the method of abortion can lead to complications such as cervical injury, severe cramping, heavy vaginal bleeding, bacterial infections, and uterine perforation. The likelihood of ectopic pregnancy may not necessarily increase. However, if multiple surgical abortions or me...[Read More] Assessing Pregnancy Risks After Ectopic Pregnancy: Key Considerations
Understanding Pregnancy Weeks: Calculating Due Dates from Last Menstrual Period
Gestational age Hello, my last menstrual period was from January 14 to January 18, and I had unprotected intercourse on February 1. How should I calculate this? The doctor mentioned that the due date should be calculated from the last menstrual period for accuracy, and I'm a...
Dr. Cao Guotao Reply:
In medical terms, gestational weeks are calculated from the first day of the last menstrual period. Wishing you good health![Read More] Understanding Pregnancy Weeks: Calculating Due Dates from Last Menstrual Period
Understanding Pregnancy Dates: Can Delayed Development Indicate Paternity?
Calculating the Estimated Due Date (EDD) Thank you, Dr. Tsao, for calculating the due date based on 178653. I would like to ask if, in this situation, it is possible that the baby is from Male A, but there are issues with implantation or development that are causing the slow prog...
Dr. Cao Guotao Reply:
Hello, it is also possible. It will depend on the results of the embryo development, and we will only know in the end. However, the two time periods are somewhat close together, making it not easy to determine sometimes. Wishing you good health.[Read More] Understanding Pregnancy Dates: Can Delayed Development Indicate Paternity?
Understanding Conception Dates: A Guide for Women
I would like to confirm the date of conception? Hello Doctor: My menstrual cycle is 30 to 33 days, with my last menstrual period starting on 10/28, 11/30, and 12/31, lasting about 7 days and ending on 1/17. I had sexual intercourse without contraception on 1/26 and 1/28, with wit...
Dr. Cao Guotao Reply:
Hello, it is more likely to be around the middle of the month, and less likely at the end of the month. Wishing you good health.[Read More] Understanding Conception Dates: A Guide for Women