Biology, asked by ashrithdevara9117, 1 year ago

Biparietal diameter at the end of 31 years of pregnancy

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Answered by rupeshwagh85572
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Those parameters most commonly measured include biparietal diameter,20,21,22,23,24,25,26,27,28 headcircumference,29,30 abdominalcircumference,31,32,33,34,35 and femur length. ... In the first trimester, the gestational sac mean diameter and crown-rump length are used to establish fetal age.

Bimanual examination (first trimester): ±2 weeks

Fundal height measurement between: ±4 weeks

Certain menstrual history: ±2 weeks

“Quickening”: ±2–4 weeks

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