What are gestation and parturition?

What is parturition?

FILL UP THE BLANKS : ___ hormone stimulates lactation after parturition.

What is the role of foetus in inducing parturition?

Fill up the blanks in the following paragraph by selecting the correct option A. overset("i")("___") methods work on the principle of avoiding chances of ovum and sperms meeting B. overset("ii")("___") is one such method in which the couples avoid coitus from day 10 to 17 of the menstrual cycle C. overset("iii")("___") is another method in which the male partner withdraws his penis from the vagina just before ejaculation so as to avoid insemination D. overset("iv")("___") method is based on the fact that ovulation and therefore the cycle do not occur during the period of intense loctation following parturition.

Write short notes on : Parturition

What is the gestation period for human?

What are sigma and pi-bond's ? What is the bond angle and shape of the methane molecule ?

What is parturition? Which hormones are involved in induction of parturition?

What is foetal ejection refex ? Explain how it leads to parturition ?