December 02, 2013

Changes occur during 20th week of pregnancy

Baby's Development -

Baby has grown significantly from that first dividing cell and now weighs about 11 ounces (312 grams) and measures about 6.3 inches (16 cm) from crown to rump. The baby is taking up increasing room in uterus, and continued growth will put pressure on lungs, stomach, bladder, and kidneys. Under the vernix caseosa (a protective, waxy coating), baby's skin is thickening and developing layers. Hair and nail growth continue.


Woman's Body -

An ultrasound can determine the size and position of the fetus, and any structural abnormalities of bones and organs that are visible by this time. Depending on the position of the fetus, the sex can usually be determined by now. During an ultrasound, the umbilical cord, placenta, and amniotic fluid can also be examined. Talk to health care provider about the risks and advantages of this test.


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