Birth stage three, which begins after the birth of the baby, further contractions expel the placenta, amniotic sac, and the remaining portion of the umbilical cord usually within a few minutes. Enormous changes take place in the newborn's circulation to enable breathing in air. In the uterus, the unborn baby is dependent on circulation of blood through the placenta for sustenance including gaseous exchange and the unborn baby's blood bypasses the lungs by flowing through the foramen ovale, which is a hole in the septum dividing the right atrium and left atrium. After birth the umbilical cord is clamped and cut,
Women in the Bible saw her, he thought she was a prostitute, for she had covered her face. Not realizing that she was his daughter-in-law, he went over to her by the roadside and said, 'Come now, let me sleep with you'."(Genesis 38:14) He said he would give her something in return and she asked for a pledge, accepting his staff and his seal with its cord as earnest of later payment. So Judah slept with her and she became pregnant. Then she went home and put on her widow's weeds again. Months later when it was discovered she was pregnant, she was accused