How big is a 12-week fetus?

Answer At 12 weeks old, a fetus will be approximately three inches long. The fetus will weigh about an ounce. This time period is the end of the first trimester; the second trimester begins at 13 weeks.So... Read More »

Top Q&A For: How big is a 12-week fetus

How big is a 16 week fetus?

By 16 weeks of pregnancy, a fetus weighs about 3 1/2 oz. and measures 4 1/2 inches from his head to his rump, according to BabyCenter. At this stage he is roughly the size of an avocado.References:... Read More »

How big is a 17 week fetus?

At 17 weeks gestation, a fetus is approximately 5.1 inches long from the top of its head to the bottom of its rear, according to The developing fetus weighs an average of 4.9 oz. by... Read More »

How big is a 32 week fetus?

A 32-week fetus weighs an average of 3.7 lbs. and is approximately 16.7 inches long. By this stage, a developing baby begins to breathe rhythmically though her lungs are not yet mature. His bones a... Read More »

How big is a 22-week fetus?

According to BabyCenter, the average size of a 22-week fetus is about 10.94 inches from crown to heel and 15.17 oz. At this stage, the fetus can now hear noises outside the womb. Eyelids and eyebro... Read More »