The baby is now 24 weeks old, since fertilization, is 14 inches and weighs 1 and ¾ pounds.
The baby’s heart has beat over 33 million times.
Sometimes breathing motions occur up to 44 times per minute.
Sudden, loud noises trigger a blink-startle response, and may cause the baby to have increased heart rate, excessive swallowing, and prolonged active movement.
The lungs are now producing a substance vital for breathing after birth.
Six Month Face: Download larger image