Pregnancy Problem Center

4724 Jamestown Avenue

Baton Rouge, LA 70808

(225) 924-1400

Life in the Womb

Day 1 – your life began at the moment of conception
.
Day 7 – you implanted in your mother’s uterus
.
Day 10 – your mother’s menstrual period stopped
.
Day 18 – your heart began to beat
.
Day 21 – you pumped your own blood, with your own blood type, through a       separate, closed circulatory system
.
Day 28 – your eye, ear and respiratory system began to form
.
Day 42 – your brainwaves were recorded; your skeleton was complete, your reflexes were present
.
7 weeks – you sucked your thumb
.
8 weeks – all your body systems were present
.
9 weeks – you squinted, swallowed, moved your tongue, and made a fist
.
11 weeks – all of your body systems worked; you breathed spontaneously; your fingernails were present
.
12 weeks – you weighed one ounce
.
16 weeks – your genital organs were clearly differentiated; you grasped with your hands, swam, kicked, turned, somersaulted (still not felt by your mother)
.
18 weeks – your vocal cords worked and you could cry
.
20 weeks – you had hair on your head; you weighed one pound and were 12 inches long)

.

The New England Journal of Medicine reported that:

· 15 percent of babies born premature at 23 week survive*

· 56 percent of babies born premature at 24 weeks survive*

· 79 percent of babies born premature at 25 weeks survive*

 

*Source: M. Allen et al., “The Limits of Viability,” New England Journal of Medicine, 11/25/93: Vol. 329, No. 22, p. 1597