how far along are you at 16 weeks?
How Big Is Baby at 16 Weeks Pregnant? At 16 weeks pregnant, baby is the size of an avocado, measuring 4.6 inches long and weighing in at 3.5 ounces. 16 Weeks Pregnant Is How Many Months? Sixteen weeks pregnant is four months pregnant—but remember, most doctors track your progress by week, not month.