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Physiological Changes in Pregnancy

Question
8 out of 32
 

The most definitive clinical sign of pregnancy is



A Ballottement
B Foetal heart sounds

C Foetal parts palpable
D Enlarged uterus

Ans. B

Foetal heart sound

The foetal heart sounds are audible with a stethoscope or fetoscope from 18th to 20 weeks of gestation

a. The Doppler machine (sonic aid) can defect the fetal heart tones as early as the 12th week of gestation

b. Foetal parts can be felt distinctly by the 20th week

External ballottement - after 20 weeks - one hand taps the abdomen and sends the fetus across the uterine cavity the other hand lying one the uterus perceives the impulse

Internal ballottement -after the 16 weeks - on tapping the cervix upward, the fetus is displaced upwards in position, later as the fetus sinks back in position, a gentle tap is felt by the examining finger.

Physiological Changes in Pregnancy Flashcard List

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