Immediately ___ birth, the level of ___ ___ sharply resulting in the removal of a ___-driven inhibition of ___ of the muscle of the ___ wall.
before | progesterone | declines | progesterone | contraction | uterus
before | oestrogen | declines | progesterone | contraction | cervix
after | progesterone | declines | oestrogen | contraction | uterus
before | progesterone | declines | progesterone | expansion | vagina
At the same time, the ___ begins to release a hormone, ___ which relaxes the ___ that join the bones of the ___ and aids dilation of the ___ for the head of the offspring to pass through.
posterior pituitary gland | oxytocin | elastic fibres | pelvic girdle | cervix
anterior pituitary gland | oxytocin | elastic fibres | abdominal cavity | cervix
posterior pituitary gland | FSH | elastic fibres | pelvic grid | uterus
posterior pituitary gland | oxytocin | muscles | pelvic girdle | oviduct
___ also stimulates the rhythmic ___ of the ___ of the ___ wall and control of these ___ occurs via a ___ feedback loop.
Oxytocin | contractions | muscles | uterus | contractions | positive
FSH | contractions | elastic fibres | uterus | contractions | negative
Oxytocin | contractions | muscles | cervix | contractions | negative
Progesterone | expansions | muscles | uterus | expansions | positive
The resulting powerful, intermittent waves of contraction of the muscles of the ___ wall start at the ___ of the ___ and move towards the ___; this is known as ___ and the rate and strength of the contractions ___ until they expel the offspring.
uterus | top | uterus | cervix | labour | increase
cervix | bottom | cervix | uterus | labour | increase
uterus | top | uterus | cervix | labour | decrease
uterus | bottom | uterus | cervix | delivering | increase
Finally ___ powerful ___ contractions separate the ___ from the ___ and cause the discharge of the ___ and the remains of the ___ as the ___.
less | uterine | placenta | endometrium | placenta | umbilicus | afterbirth
more | uterine | placenta | endometrium | placenta | umbilicus | birth
less | placenta | uterine | endometrium | placenta | umbilicus | afterbirth
less | uterine | placenta | oviduct | placenta | umbilical chord | fetus