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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Suggest Different Tests To Reconfirm Pregnancy Due Date

I just want to ask if it is possible that my ultrasound got mistaken because what i expect is that i am 4 months pregnant but the doctor says i am 27 weeks pregnant which is i don't believe because of my menstrual irregularity and my baby bump is just small it really bothers me when he says our last sexual intercourse is feb. But what i know is on the month of May is our last. Can you please help me with this.
Thu, 14 Aug 2014
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General & Family Physician,  's  Response
welcome to Health care magic.

1. No your ultrasound can not be mistaken so grossly - If ultrasound says its 27 weeks it can be 1-2weeks difference can be expected.
2.The Ultrasoul will estimate the age by taking every measurement of body ( Femur length (thigh bone), Head circumference, abdominal circumference all these are averaged.
3.I feel that there can be mistake with the periods you have thought where not exactly the periods but spotting.
4.Finally if you feel so - get a repeat scan in different place for your confirmation.

Hope it helps you. Wish you a good health.
Anything to ask ? do not hesitate. Thank you.
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Suggest Different Tests To Reconfirm Pregnancy Due Date

welcome to Health care magic. 1. No your ultrasound can not be mistaken so grossly - If ultrasound says its 27 weeks it can be 1-2weeks difference can be expected. 2.The Ultrasoul will estimate the age by taking every measurement of body ( Femur length (thigh bone), Head circumference, abdominal circumference all these are averaged. 3.I feel that there can be mistake with the periods you have thought where not exactly the periods but spotting. 4.Finally if you feel so - get a repeat scan in different place for your confirmation. Hope it helps you. Wish you a good health. Anything to ask ? do not hesitate. Thank you.