Week 16

Week 16

Baby's Length: 4.5-5 in

Baby's Weight: 2.5- 3 oz..

Baby's Size: Rubber Ducky

Week 16

At somewhere around four inches long, your baby is just about big enough these days to make herself known to the outside world. Any day now -- usually between weeks 16 and 20 -- she'll be bumping up against the walls of the amniotic sac, producing those little flutters and tickles that you'll feel as "quickening." An ultrasound might be able detect your baby's sexual organs, and an external monitor could pick up the thumps of her tiny heart, which by now is pumping 25 quarts of blood a day to every corner of her growing body.

In both face and body, this baby looks more human. Her head and neck are held straighter now, and her proportions are becoming more "normal." Her eyes have now moved from the sides to the center of the face. Eyelids are shut firmly, and won't open again until the seventh month of pregnancy