What is the Estimated Due Date Based on Last Menstrual Period?
What is the due date? Hello doctor, my girlfriend's last menstrual period was on May 1st, with a cycle length of 30-31 days. We had intercourse on May 30th, and on June 11th, we detected a faint positive line on the pregnancy test. Could you please tell me the estimated due ...
Dr. Cao Guotao Reply:
Hello, it should be around March 4th next year. Wishing you good health.[Read More] What is the Estimated Due Date Based on Last Menstrual Period?
Understanding Pregnancy Dates: When Did Conception Likely Occur?
Pregnancy date Hello, doctor: My last menstrual period was from March 28 to April 3, with an average cycle of 32 days. I had sexual intercourse on April 9 (used a condom only when feeling it), on April 11 (used a condom throughout), and on April 17 (ejaculated inside). The app in...
Dr. Zhang Kunmin Reply:
Hello, based on your description, it is possible that you are in early pregnancy, likely less than 5 weeks, which is why the ultrasound may not yet show a gestational sac. There is also a possibility that the gestational sac has not developed or that it is an ectopic pregnancy. I...[Read More] Understanding Pregnancy Dates: When Did Conception Likely Occur?
Understanding Conception Dates: Can You Miscalculate with PCOS?
Error in conception date Hello, I would like to ask about my situation. I have polycystic ovary syndrome (PCOS), and I found out about it on June 17, 2019, after a blood test. My menstrual cycles have been irregular, occurring every two to three months, and I have mostly relied o...
Dr. Cao Guotao Reply:
Hello, it should not be the one on May 5th. Wishing you good health.[Read More] Understanding Conception Dates: Can You Miscalculate with PCOS?
Understanding Pregnancy Weeks: Can I Be Pregnant from May 5th?
Gestational age Hello, I would like to ask, I have polycystic ovary syndrome (PCOS). My last menstrual period was on May 25, 2019, which started two days after receiving an injection to induce menstruation. A pregnancy test on May 23 was negative, but I had unprotected intercours...
Dr. Cao Guotao Reply:
Hello, it should not be the one on May 5th. Wishing you good health.[Read More] Understanding Pregnancy Weeks: Can I Be Pregnant from May 5th?
Estimating Conception Date Based on Due Date: A Guide for Expecting Mothers
To estimate the conception date based on the due date? Hello Dr. Huang, I would like to inquire about the conception date. An ultrasound on August 12 showed a baby with a gestational age of 16 weeks and 4 days, with an estimated due date of January 27 next year. My menstrual cycl...
Dr. Huang Jianzhong Reply:
On August 12, an ultrasound examination revealed a baby at 16 weeks and 4 days gestation, with an estimated due date of January 27 of the following year. The menstrual cycle is somewhat irregular, averaging 35 days. Menstruation occurred from February 18 to February 22, but there...[Read More] Estimating Conception Date Based on Due Date: A Guide for Expecting Mothers
Understanding Due Dates: Clarifying Pregnancy Timeline Confusions
Estimated due date Hello, I visited the doctor during my pregnancy, and the doctor stated that my due date is January 27, 2020. This calculation suggests that I conceived in March, but I am certain that I only had intercourse in May, with no sexual activity in March or April. My ...
Dr. Huang Jianzhong Reply:
During my pregnancy, I visited the doctor who calculated my due date as January 27, 2020. This suggests that conception occurred around March, but I am certain that I only had intercourse in May, with no sexual activity in March or April. My last menstrual period was from April 2...[Read More] Understanding Due Dates: Clarifying Pregnancy Timeline Confusions
Could I Be Pregnant? Understanding Risks and Menstrual Cycle After Intercourse
Are you pregnant? Hello doctor, on May 25th, there was an encounter where I first used my hand, then had intercourse with a condom, and there was no ejaculation inside. Is there a possibility of pregnancy in this scenario? (He mentioned that he wiped with tissue before putting on...
Dr. Huang Yiwen Reply:
Hello Miss 123: Your boyfriend used a condom and did not ejaculate inside, so the chances of pregnancy are very, very low, and you shouldn't worry too much. After taking the emergency contraceptive pill, your period will generally come in about three to five days. You don&#x...[Read More] Could I Be Pregnant? Understanding Risks and Menstrual Cycle After Intercourse
Estimating Ovulation Date Based on Ultrasound Data During Pregnancy
Pregnant for almost 23 weeks: Questions about the due date and conception period? Hello, doctor. My last menstrual period started on December 17, 2018, and my cycle has been approximately 28-30 days over the past six months. I first visited the obstetrics and gynecology departmen...
Dr. Huang Jianzhong Reply:
The first day of my last menstrual period was December 17, 2018, with a cycle length of approximately 28-30 days over the past six months. My first visit to the obstetrician-gynecologist was on January 25, 2019, where a heartbeat was detected. The ultrasound report indicated a cr...[Read More] Estimating Ovulation Date Based on Ultrasound Data During Pregnancy
Understanding Implantation Timing and Conception in Irregular Menstrual Cycles
Implantation time Irregular menstruation: My last period started on May 9th last year and lasted about 3 to 4 days. I had unprotected intercourse from May 1st to the end of the month, except for May 16th when it was external ejaculation. My period did not come in mid-June, and I ...
Dr. Cao Guotao Reply:
Hello, it is not possible to determine the exact date of conception; we can only say that conception likely occurred in late May or early June. Wishing you good health.[Read More] Understanding Implantation Timing and Conception in Irregular Menstrual Cycles
Understanding Conception Timing and Irregular Menstrual Cycles in Pregnancy
Probability of Pregnancy Doctor, I would like to ask about my irregular menstruation. My last period started on May 9th and lasted about 3-4 days. I had unprotected intercourse from May 1st to the end of the month, except for May 16th when it was external ejaculation. I did not g...
Dr. Cao Guotao Reply:
Hello, it is possible that conception occurred at the end of May or the beginning of June. The chances of conception from external ejaculation on May 16 are quite low. Wishing you good health.[Read More] Understanding Conception Timing and Irregular Menstrual Cycles in Pregnancy
Understanding Irregular Menstruation and Pregnancy Timing: Key Insights
Pregnancy issues Doctor, I would like to ask about irregular menstruation in females. My last period was on May 9th last year, lasting about 3 to 4 days. I had unprotected intercourse almost every day, and on May 16th, there was external ejaculation on my abdomen, but after that,...
Dr. Cao Guotao Reply:
Hello, February 19 is similar to February 16, which suggests conception around late May to early June. Wishing you good health.[Read More] Understanding Irregular Menstruation and Pregnancy Timing: Key Insights
Understanding Pregnancy Chances: Can You Conceive from Intercourse?
Probability of Pregnancy I had my period on May 9, 2018, which lasted about 3 to 4 days. After having sexual intercourse with withdrawal on May 16, I found out I was pregnant in June. An ultrasound on July 2 showed a gestational age of 6 weeks and 6 days, with a due date of Febru...
Dr. Huang Jianzhong Reply:
(Menstrual irregularity) Menstruation started on May 9, 2018, lasting about 3 to 4 days. After having intercourse with withdrawal on May 16, I found out I was pregnant in June. An ultrasound on July 2 showed a gestational age of 6 weeks and 6 days, with a due date of February 16....[Read More] Understanding Pregnancy Chances: Can You Conceive from Intercourse?
Determining Your Conception Date: A Guide for Expecting Mothers
I would like to inquire about the days when conception occurs? The last menstrual period started on July 27, lasting approximately 7-8 days. The average menstrual cycle is 28-31 days. A pregnancy test using Clearblue on September 1 indicated a pregnancy of 3 weeks and a few days....
Dr. Huang Jianzhong Reply:
The last menstrual period started on July 27, lasting approximately 7-8 days. The average menstrual cycle is 28-31 days. A pregnancy test using Clearblue on September 1 indicated a pregnancy of 3 weeks and a few days. An ultrasound on September 4 showed measurements of D1* 0.60 c...[Read More] Determining Your Conception Date: A Guide for Expecting Mothers
Managing Pregnancy After Miscarriages: Aspirin Use and Sexual Activity Guidance
Pregnancy..? Hello Doctor, I have a few questions. I have had two previous miscarriages. I underwent chromosomal and immune testing, both of which were normal. I have now discovered that I am pregnant. The doctor has prescribed low-dose aspirin for me to take as a precaution. The...
Dr. Zhang Kunmin Reply:
Hello, based on your description, if there are no other side effects or issues, it is possible to continue until 36 weeks of pregnancy. However, the necessary examinations should still be conducted. If there are no other signs of miscarriage, it is recommended to avoid sexual int...[Read More] Managing Pregnancy After Miscarriages: Aspirin Use and Sexual Activity Guidance
Determining Your Most Likely Conception Date: A Guide for Women
Date of conception I have polycystic ovary syndrome (PCOS) with irregular menstrual cycles. My last menstrual period was on March 28. During my ultrasound on June 30, I was 7 weeks and 2 days pregnant, with an estimated due date of February 14. However, the subsequent two ultraso...
Dr. Huang Jianzhong Reply:
Irregular menstruation due to polycystic ovary syndrome (PCOS) was noted, with the last menstrual period on March 28. During the ultrasound on June 30, the gestational age was determined to be 7 weeks and 2 days, with an estimated due date of February 14. However, the subsequent ...[Read More] Determining Your Most Likely Conception Date: A Guide for Women
Is My Sister's Baby Her Boyfriend's? Understanding Pregnancy Paternity
Is the pregnancy from my boyfriend? Hello, doctor. I would like to ask about my sister, who is currently pregnant. She has a boyfriend, but after drinking, she had sexual intercourse with another man between April 16 and April 30. She doesn't remember the exact date, but her...
Dr. Huang Jianzhong Reply:
After drinking, she had sexual intercourse with a man (referred to as A) between April 16 and April 30. She doesn't remember the exact date, but her menstrual period started on May 9 and lasted for 3 to 5 days. She mentioned that her menstrual cycle is irregular. When she to...[Read More] Is My Sister's Baby Her Boyfriend's? Understanding Pregnancy Paternity
Understanding Due Dates: How Irregular Cycles Affect Pregnancy Timing
Week number issue Thank you, Dr. Huang. Regarding the previous question (#141207), if a man’s child did not have their period on May 9th, would the due date change to January? This is because her menstrual cycle is irregular, and her period only lasted 4 to 5 days instead of the ...
Dr. Huang Jianzhong Reply:
If a male's child is due on May 9th and the menstrual period has not arrived, the expected due date would change to January, correct? Answer: It should be.[Read More] Understanding Due Dates: How Irregular Cycles Affect Pregnancy Timing
Could I Have Conceived in February? Understanding Pregnancy Timelines
Date of conception Doctor, I noticed that my period didn't come in February, and in March, there was only a little bit of bleeding. On March 4th, I had unprotected intercourse, and I was quite active throughout March. On March 25th, I went to the gynecologist for a pregnancy...
Dr. Huang Jianzhong Reply:
In February, it seems that my period did not come. In March, there was only a little bit of bleeding. On March 4, there was ejaculation inside. Throughout mid-March, we were quite active sexually. On March 25, I went to the gynecologist for a pregnancy test, but it was negative. ...[Read More] Could I Have Conceived in February? Understanding Pregnancy Timelines
Understanding Symmetric Growth Restriction in Infants: Causes and Concerns
Growth retardation? Hello Doctor, my child had normal results during early prenatal check-ups, including a 4D ultrasound and amniocentesis, among other out-of-pocket tests. Aside from the amniotic fluid chip, the preeclampsia screening was also normal. However, around seven to ei...
Dr. Cao Guotao Reply:
Hello, the baby is now over two months old. Please consult a pediatrician. Wishing you good health.[Read More] Understanding Symmetric Growth Restriction in Infants: Causes and Concerns
When Did I Conceive? Understanding Pregnancy Timing
When does conception occur? You are currently six weeks and six days pregnant, with your last menstrual period starting on August 7, 2017. The menstrual cycles for the previous three months were as follows: June 2 to June 6, July 4 to July 8, and August 7 to August 11. Based on t...
Dr. Zhang Kunmin Reply:
Hello, the irregularity of your menstrual cycle makes it difficult to accurately predict your ovulation and conception dates. Typically, there may be a certain margin of error in calculating the gestational age and estimated due date. Thank you! Wishing you peace and health, Dr. ...[Read More] When Did I Conceive? Understanding Pregnancy Timing