Week 18 Stats:
Length (from crown to rump): 5.6 inches (14.2 cm)
Weight: 6.7 ounces (190 grams)
Fruit/Vegetable Comparison: Bell Pepper
New Developments: Blood vessels are now visible through the skin and the ears are now in their final position. A protective layer called myelin is beginning to develop around the nerves and will continue to develop for up to a year after birth. The arms and legs are in almost constant motion.