What is foetal ejection reflex ? Explain how it leads to parturition ?
On the basis of fully developed / foetus and signals produced from placenta, contraction expulsion. Ejection of foetus are included and mild uterine contractions are induced.
This triggers release of oxytocin from the maternal pituitary oxytocin acts on the uterine muscle and causes stronger uterine contractions.
The combined effect occurring at a time of uterine contraction and oxytocin secretion continues. resulting on stronger contraction of the baby out of the uterus through the birth canal - parturition.
Gestation period is the duration
Select the correct option describing gonadotropin activity in a normal pregnant female.
Given below are two statements: One is labelled as Assertion $A$ and the other is labelled as Reason $R$ :
Assertion $A$ : Breast-feeding during initial period of infant growth is recommended by doctors for bringing a healthy baby.
Reason $R$ : Colostrum contains several antibodies absolutely essential to develop resistance for the new born baby.
In the light of the above statements, choose the most appropriate answer from the options given below:
Give scientific reasons : When birth time is near, two chemical signals associated and produces real parturition pain / labour pain.
Signals for parturition originate from