Top answers from doctors based on your search:
Disclaimer

Date of conception

A 24-year-old female asked:
Dr. Bryan Kurtz
A Verified Doctor answered
A US doctor answered Learn more
What question?: What is your question?
Dr. John Munshower
30 years experience Family Medicine
OK: Ask the question, and maybe one of the Docs on HealthTap can help. Good luck, ask away!
Dr. Heidi Fowler
25 years experience Psychiatry
Please go ahead: and ask using a clear and specific Question.

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
24/7 visits
$15 per month
A 35-year-old member asked:
Dr. Alan Patterson
42 years experience Obstetrics and Gynecology
2 weeks before your : Period , if your periods are every 28 days then you ovulate on day 14 , if they are every 35 days then you ovulate day 21 and an early ultrasound can ... Read More
A 33-year-old member asked:
Dr. Alan Patterson
42 years experience Obstetrics and Gynecology
Usually 14 days befo: Before you would get your period, day 1 of cycle is the first day of bleeding so you ovulate on day 14 if your periods are 28 days or day 21 if your p ... Read More
A 19-year-old female asked:
Dr. Miguel Cano
30 years experience Obstetrics and Gynecology
Approximate: Depending on how your due date is determined there may be a large margin of error. Early ultrasound (between 7-12 weeks) is the most accurate and you ... Read More
1
1 thank
A 23-year-old female asked:
Dr. Robert Kwok
33 years experience Pediatrics
Accurate in a range: Ultrasound pregnancy dating gives a date and a range. The date is an estimate. That means the date is not a single point in time. So, when an ultrasou ... Read More
2
2 thanks
A 25-year-old female asked:
Dr. Dennis Higginbotham
30 years experience Obstetrics and Gynecology
Accurate: The date of conception would be August 17 plus or minus 4 days. An ultrasound at 5 weeks and 4 days is accurate to within 4 days.
2
2 thanks
A 31-year-old female asked:
Dr. Michael Sparacino
37 years experience Family Medicine
See below: Subtract 3 months from your first day of your last menstrual period, then add 1 week.
1
1 thank
A 43-year-old member asked:
Dr. Neeoo Chin
40 years experience Fertility Medicine
Due date: The normal term pregnancy last 40 weeks. This is calculated from the last menstrual cycle. The last menstrual cycle calculation relies upon the fact t ... Read More
A 46-year-old member asked:
Dr. Alan Patterson
42 years experience Obstetrics and Gynecology
See your OB: Not a good situation, your OB can do an ultrasound for dating purposes and blood tests can be done on the baby after delivery and the 2 guys to determ ... Read More
A 43-year-old member asked:
Dr. Edward Jacobs
46 years experience Obstetrics and Gynecology
Depends: Conception usually occurs about 14 days prior to the onset of the next expected period. If the periods are 28 days apart, conception occurs around day ... Read More

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

Ask doctors free
Personalized answers
Free
Talk to a doctor
24/7 visits
$15 per month