All of the following measures are used to assess fetal gestational age except

All of the following factors influence fundal height except

The most reliable US estimation of gestational age is performed by measuring the crown-rump length in the first trimester.

A fetus who is suspected of being small on the basis of US measurements or fundal height measurement may either be term and growth restricted or preterm but growing normally.

Recent use of oral contraceptives does not interfere with menstrual dating of a pregnancy.

Quickening often occurs earlier in a primigravida pregnancy than in a multigravida pregnancy.

Which of the following actions is most helpful in determining fetal gestational age?

All of the following actions are possible with US except

The pregnant uterus can first be felt in the abdomen, at the symphysis pubis, at 8 weeks of gestation.

If fetal heart sounds can be heard with a Doppler device, the examiner can conclude that the gestational age is at least 10 weeks .

Non-medically indicated inductions or scheduled cesarean deliveries are not recommended until at least 38°17 weeks of gestation.