-
20 weeks
has hair on head, weighs one pound, 12 inches long -
23 weeks
15% chance of viability outside of womb if birth premature. -
24 weeks
56% of babies survive premature birth. -
25 weeks
79% of babies survive premature birth. -
7 month
This fetus is now about 15 inches long and weighs between 1 and a half - 2 pounds. It can cry weakly and can suck its thumb. The fetus can make a variety of reflex movements: startle, grasp, and swim movements. The cerebral hemispheres cover almost the entire brain. -
8 month
The fetus will gain 2-3 pounds during this month, which it will need to stay waym following birth. The fingernails reach beyond the fingertips and much of the laungo is shed. By the end of this month, this fetus will most likely settle into the head down position. However, the baby is capable of changing positions. -
9 month - due date
The fetus reaches full growth. It measures 14-15 inches from head to buttocks and weighs 6-8 pounds. During this last month, the baby acquires antibodies from its mother which will give it temporary immunity againsta some diseases. The eyes are normally blue at birth because pigmentation is not normally formed untilafter a few weeks of exposure to light. Vernix is present over the entire body. The fetus will alternate between periods of activity and periods of quiet. -
day 1
Conception -
7 days
tiny human in mother's uterus -
10 days
mother's menses stop -
18 days
heart begins to beat -
21 days
pumps own blood through separate closed circulatory system with own blood type -
28 days
eye,ear and respiratory system begins to form -
42 days
brain waves recorded,skeleton -
7 weeks
photo of thumb sucking -
8 weeks
all body system present -
9 weeks
squints, swallows, moves tongue, makes fist -
11 weeks
spontaneous breathing movements, has fingernails, all body systems working. -
12 weeks
weighs one ounce. -
16 weeks
Genital organs clearly differentiated,grasps with hands, swims,kicks,turns,somersaults, (still not felt by the mother) -
18 weeks
vocal cords work - baby can cry
