To make room for a growing fetus, which is a hormone signal for muscles to loosen
Adrenalin
Progesterone
Serotonin
Loosened muscles at the top of the stomach might allow acid to escape into the esophagus and throat causing
Tiredness
Nausea
Reflux
A pregnant woman’s blood volume increases by
10% or more
25% or more
50% or more
If the expanding uterus presses on the vena cava, it might interfere with blood
Returning to the heart
Being oxygenated by the lungs
Flowing to organs in the body
Shortly before delivery, the fetus drops which decreases pressure on the diaphragm. This allows a pregnant woman to
Start delivery
Stabilize her blood pressure
Breathe more easily