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Smart Fetal Heart Doppler - Record & Share Baby's Heartbeat via APP at Home – Wellue
AccuSure Fetal Doppler Heartbeat Monitor for Pregnancy 50-240BPM Measuring Range 2.5MHz Fetal Heart Rate Detector with TFT Display : Amazon.in: Health & Personal Care
NeoPulse Fetal Doppler - Accurate Baby Heartbeat Monitor with Large LCD Display - VystaMed