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,
Abortion in the Republic of Ireland foetus suffering from anencephaly (the absence of a major portion of the brain, skull, and scalp; blind, deaf, unconscious, and unable to feel pain, a disorder which is universally fatal), was prevented from travelling to Britain by the Health Service Executive. The High Court ruled on 9 May 2007 that she could not lawfully be prevented from travelling even though she was a ward of the state. Amanda Mellet became pregnant in 2011; however, the foetus was suffering from Edwards syndrome, a fatal condition. She was unable to have an abortion in Ireland and had to travel to the UK.