What be used previously ultrasounds to monitor pregnancy?
Answers: simple measuring of the fundus, listen to the patients complaints, and using a fetal-scope (like a stethoscope) to listen to the fetal heart beat. that be before the doppler be used/invented
Nothing ...
Midwives who thought they knew everything ...
Mother's intuition.
They simply have no way of getting a picture of what be happening inside.
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