A 25-year-old female asked:
dr told me on 4/24 that my baby was measuring 7w/5d fetal age fr the u/s and gave me a dd of 12/7. shouldn't my due date be 30w/1d fr 4/24?
1 doctor answer • 3 doctors weighed in
Obstetrics and Gynecology 33 years experience
Calculating length: 40 weeks is the length attributed to pregnancy. This is'counted' from the first day of your last menstrual period. If you were 7 and 5/7 on 4/24 then 30 and1/7 makes you just shy of 38 weeks, not 40 weeks.
Last updated May 24, 2015
Connect with a U.S. board-certified doctor by text or video anytime, anywhere.
$15 per month
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.