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week 7
<a href='http://pregnant.thebump.com/pregnancy-week-by-week/7-weeks-pregnant.aspx'
weeks-pregnant.aspx</a>Your .51-inch embryo doesn't exactly tip the scales just yet but he's developing like crazy. He's already doubled in size since last week. -
week 9
<a href='http://pregnant.thebump.com/pregnancy-week-by-week/9-weeks-pregnant.aspx' weeks-pregnant.aspx</a>He's gaining steam! At 9 weeks, your fetus measures around .9 inches and weighs about .07 ounces. -
week 11
<a href='http://pregnant.thebump.com/pregnancy-week-by-week/11-weeks-pregnant.aspx' weeks-pregnant.aspx</a>Your fetus is about 1.6 inches long, and he's got about a 1:1 head to body ratio. He now weighs in at about .25 ounces. -
week 14
<a href='http://pregnant.thebump.com/pregnancy-week-by-week/14-weeks-pregnant.aspx' weeks-pregnant.aspx</a>At week 14, your baby is 3.4 inches and 1.5 ounces, he's almost doubled in weight since last week and keeps on growing. He's probably sucking his thumb and wiggling his toes in there! His kidneys are making urine, and his liver and spleen are doing their jobs, too. And he's growing lanugo, a thin, peach-fuzz-like hair, all over his body -- it will help him keep warm! -
week 17
<a href='http://pregnant.thebump.com/pregnancy-week-by-week/17-weeks-pregnant.aspx' weeks-pregnant.aspx</a>Baby continues to beef up. Now he's about 5.1 inches long and weighs about 5.9 ounces. Her rubbery cartilage is now turning to bone. And he's growing some meat on those bones -- putting on some fat. He's growing a stronger, thicker umbilical cord, too. -
week 21
<a href='http://pregnant.thebump.com/pregnancy-week-by-week/21-weeks-pregnant.aspx' weeks-pregnant.aspx</a>At 10.5 inches and about 12.7 ounces, He's big enough now that you've probably been feeling his movements. As his digestive system preps for the outside world, He's manufacturing meconium -- the tarry black substance you'll find in his first dirty diaper (ew)! If it's a girl, she's already got a lifetime's supply of eggs in her womb -- about six million of them! -
week 28
<a href='http://pregnant.thebump.com/pregnancy-week-by-week/28-weeks-pregnant.aspx' weeks-pregnant.aspx</a>Putting on layers of fat, your baby now weighs in around 1.5 to 2.5 pounds and measures about 13.6 to 14.8 inches. He's starting to develop more fat, so his wrinkly skin will start to get smoother. His lungs are mature enough that he'd probably survive if he was born now. -
week 32
<a href='http://pregnant.thebump.com/pregnancy-week-by-week/32-weeks-pregnant.aspx' Still growing, your baby weighs in at about 2.5 to 3.8 pounds and measures about 15.2 to 16.7 inches. He's getting ready for his descent -- he's likely in the head-down position now.
And he's probably feeling a even more cramped. -
week 33
<a href='http://pregnant.thebump.com/pregnancy-week-by-week/33-weeks-pregnant.aspx' weeks-pregnant.aspx</a>He weighs about 4.2 to 5.8 pounds and measures about 17.2 to 18.7 inches. And he may grow up to a full inch this week -- amazing. He's keeping his eyes open while awake.
He's also starting to coordinate breathing with sucking and swallowing. His bones are hardening. And he going through (more) major brain development -- that's one smart baby! -
week 36
<a href='http://pregnant.thebump.com/pregnancy-week-by-week/36-weeks-pregnant.aspx'
He's still in the 17.2- to 18.7-inch and 4.2- to 5.8-pound range and continues to beef up. He's getting closer and closer to being able to breathe on his own. His skin is getting smooth and soft and his gums are rigid. His liver and kidneys are in working order. Circulation and immune systems are basically good to go, too.
