Question: 13 weeks 2 days is how many months?
Answer: Your 13-week fetus is about 2.9 inches long and weighs about .81 ounces, and proportion-wise, their head is now about 1/3 the size of the body instead of 1/2. 13 Weeks Pregnant Is How Many Months? At 13 weeks pregnant, you're three months pregnant, although doctors track pregnancy by week, not month.