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Question

15 Jul 2005

Ultasound due date
I have just had my second ultrasound and according to my last menstration and my doctor I am around 16 weeks with my due date being the 31st December. With today's ultrasound they took some more measurements and according to the measurement taken of the head the due date is the 20th of December and reflects that i am 18 weeks-however i am sure of the 16 weeks since i know date of conception. Does this mean that my baby is growing too fast or has something wrong with it? I am worrying myself sick. Please help
Answer 502 views
Expert
GynaeDoc
gynaedoc

01 Jan 0001

Pregnancy time is worked out from the last menstrual period. Ovulation does not always occur when expected. If, for example it occurred on Day 7 instead of Day 14, this would make the baby a week older. There is nothing to worry about.

Best wishes
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