

When the physical assessment score and the neuromuscular score are added together, the gestational age can be estimated.


Box 52-3 lists sonographic landmarks for early pregnancy.

Transverse image obtained at the level of the anteroposterior diameter.

Miscalculated Due Date Occasionally, not seeing a yolk sac on an ultrasound at this stage of pregnancy could simply mean the gestational age may have been miscalculated.


Not all ends in a bad news!! These differences rarely effect gestational sac gs is used to 28 days.

Note, the fetal stomach is often visualized at this level.
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Description: Only around the 7 weeks will the embryo be seen in the yolk sac, and we can read the heartbeat.