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Pregnancy – three trimesters

The nine months of pregnancy are divided into three trimesters

First: 14 weeks from the 1st day of last period

Baby:  from egg to 3 " long, fully developed body, arms, legs, nails, ears

Second: 14-28 weeks

Baby: grows to 11" and 1 1/2 lbs. fingerprints, eyebrows and eyelashes form; 16 weeks sensitive to light; 24 weeks hearing develops; 29 weeks opens eyes and looks to light source.

Third: 28-40 weeks

Baby: 14-16 " and 2 1/2 -3 lbs: at start; grows to 5-9 lbs. and 20" in length; 29 weeks lungs developed; 32 weeks brain development, eyes track movement, sleep patterns develop.