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week 6
Your embryo is growing at lightning speed, adding 1 millimeter to its tiny self each day. By the end of this week the embryo's head will be bigger than its body. It has little limb buds that are starting to lengthen into shoulders, arms, hands, and even the beginnings of fingers.http://www.babyzone.com/pregnancy-week-by-week/6-weeks-pregnant_70619 -
week 9
Your baby, now the size of a green olive, has grown about an inch since last week. Tiny muscles are beginning to form, so while he might not be ready to pump iron, he's gearing up to move his arms and legs. It's still too soon to feel anything in your belly.http://www.whattoexpect.com/pregnancy/week-by-week/week-9.aspx -
week 12
The most dramatic development this week: reflexes. Your baby's fingers will soon begin to open and close, his toes will curl, his eye muscles will clench, and his mouth will make sucking movements. In fact, if you prod your abdomen, your baby will squirm in response.http://www.babycenter.com/6_your-pregnancy-12-weeks_1101.bc -
week 14
This week's big developments: Your baby can now squint, frown, grimace, pee, and possibly suck his thumb! Thanks to brain impulses, his facial muscles are getting a workout as his tiny features form one expression after another. His kidneys are producing urine, which he releases into the amniotic fluid around him.http://www.babycenter.com/6_your-pregnancy-14-weeks_1103.bc -
week 18
At five and a half inches long and five ounces in weight, he now may be large enough for you to feel him twisting, rolling, kicking, and punching his way around the womb. Plus, he's developing yawning and hiccupping skills. http://www.whattoexpect.com/pregnancy/week-by-week/week-18.aspx -
22 weeks
At 11 inches and almost 1 pound, your baby is starting to look like a miniature newborn. His lips, eyelids, and eyebrows are becoming more distinct, and he's even developing tiny tooth buds beneath his gums.http://www.babycenter.com/6_your-pregnancy-22-weeks_1111.bc -
week 26
He may now be able to hear both your voice and your partner's as you chat with each other. He's inhaling and exhaling small amounts of amniotic fluid, which is essential for the development of his lungs.http://www.babycenter.com/6_your-pregnancy-26-weeks_1115.bc -
week 29
He is a tad over 15 inches long from head to heel. His muscles and lungs are continuing to mature, and his head is growing bigger to make room for his developing
brain.http://www.babycenter.com/6_your-pregnancy-29-weeks_1118.bc -
week 34
He is almost 18 inches long. Her fat layers, which will help regulate her body temperature once she's born, are filling her out, making her rounder. Her skin is also smoother than ever. Her central nervous system is maturing and her lungs are continuing to mature as well.http://www.babycenter.com/6_your-pregnancy-34-weeks_1123.bc -
week 38
Hey, your little one isn't so little anymore, weighing close to seven pounds and measuring 20 inches long. Fetal development is nearly complete as your baby tends to a few last-minute details like shedding the skin-protecting vernix and lanugo.http://www.whattoexpect.com/pregnancy/week-by-week/week-38.aspx#
