The placenta during pregnancy about 15 week almost finished. The placenta until the baby is born that day, delivered oxygen and nutrition from ママ dioxide oxygen and waste discharge, protects your baby's life.
Placenta is nearly completed in time of about 15 weeks of pregnancy. Placenta until the day the baby is born, to deliver the nutrition and oxygen from mom, was discharged dioxide oxygen and waste, protect the life of the baby.
In the placenta of 15 weeks of gestation period is almost completed. Until the day the baby is born, the placenta from ママ nutrients and oxygen, and carbon dioxide emissions, waste, save babies' lives.