A member asked:

My ultrasound on july 22nd is measuring at 6w5d gestational at 0.74 cm. what is the absolute earliest i could have concieved? and how accurate is this

A doctor has provided 1 answer

Dr. Mary David answered

Date of conception: By your ultrasound dates your probable date of conception would be 6/24 ( your date of ovulation) this could be the result of sex a couple of days earlier or later and the margin of error in ultrasound dating is 8% or 3.76 days at 6w5d (47 days). Hope this helps.

Dr Chuu agreed

Answered 6/2/2016

2.5k views

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A member asked:

My ultrasound on july 22nd is measuring at 6w5d gestational at 0.74 cm. what is the absolute earliest i could have concieved? and how accurate is this

A doctor has provided 1 answer

Dr. Mary David answered

Dr Chuu agreed

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