At 8 weeks pregnant, it may be too early to detect a baby's heartbeat using a handheld Doppler. An ultrasound is the most accurate way to confirm a heartbeat in early pregnancy. If no heartbeat is ...
At 28 weeks of pregnancy, your baby is practising life skills like blinking and switching between REM and non-REM sleep. During the third trimester, the foetus spends 90% of its time in a sleep state.