Get Virtual Care
For Businesses
About Us
A member asked:
Transvaginal us 8wk4day edd 1/30/15 lmp 4/25/14 what is my possible conception and when would be the earliest day i could have sex tobecomepreg?
3 doctors weighed in across 2 answers
Online calculator: Use a reverse due date calculator for free online and this will be easy for you to find out. Simply type in your due date and the conception date will be calculated for you. The great thing is you can do this just as easy as we can online. You will be able to see the range of dates.
Answered 11/2/2014
3.6k views
May 9: It sounds like your LMP and the ultrasound were consistent, so the date of conception is May 9. Sperm can live up to 3-5 days in good cervical mucus, so sex during the 3-5 days before or after might be responsible.
Answered 11/3/2014
3.6k views
Related Questions
A member asked:
LMP 10/25/14. EDD 8/1/15.Had u/s done at 12 weeks that dated 3 days before LMP, which is 10/22/14. What do that mean? Do u/s measure from conception?
A doctor has provided 1 answer
A member asked:
Conception was march 4, 2013, and my LMP was feb 18 its a 28 day cycle when would be my due date?
A doctor has provided 1 answer
A member asked:
Due date is july 5th, have regular 30 day cycles. All ultrasounds are measuring perfectly with lmp. When was conception?
A doctor has provided 1 answer
A member asked:
If lmp and 3 separate scans all give a edd of 4th October what are the possible dates of conception?
A doctor has provided 1 answer
People also searched for:
How accurate are trans-vaginal u/s at 9wks & 6days? Do they go back to your LMP or conception date? My edd is 1/22/13, from my 1st vaginal u/s...
Have had 2 transvaginal ultrasounds. Due date has changed twice. Due date is now 5/1/16. LMP was 7/12/15. Confused on conseption date??
LMP 4/27/14. EDD of 2/17/15 for twins on 6/23/14 at 5w4d and 5w5d. What is the worst case conception date? If its +/-7d could sex from 5/1 be a factor
I have irregular periods with the last being January 11th, 2021. My due date is December 17th, 2021. What is the most probable date of sex and conception for this due date ? Im not sure as we add 2 weeks for lmp ,which I missed?
I was given a edd of 1/22/13; i count back 40 weeks for an LMP estimate? & 38 weeks for my conception day estimate? B/c i can't really recall my lmp.
Didn't find what you're looking for?
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your questionMore of what we treat
Download HealthTap
Video visit and message your doctor
