Here’s a table of normal fetal heart rate ranges by pregnancy week ... During routine prenatal visits, a handheld Doppler ultrasound device is commonly used to listen to the baby's heartbeat.

No heartbeat at 6 weeks of pregnancy Discover the reasons when to be concerned and steps to take during early pregnancy ...

This is true even if your first test offers results within a normal ... up along with heart conditions, signifying tuberous sclerosis. Other tests may include: High-level fetal ultrasound, a ...