During pregnancy which of the following is secreted through urine of mother
Progestron
Luteinizing hormone
$FSH$
Chorionic gonadotropin
By the and of the second month of pregnancy the foetus develops........
Foetus is nourished by
The given figure shows the human foetus within the uterus with few structures marked as $A,\,B,\,C$ and $D$.
Which of the following options shows the correct labeling ?
All of the following statements concerning pregnancy are accurate $EXCEPT$
Assertion : During fertilization only head of spermatozoa enters egg.
Reason : If several spermatozoa hit the egg at same time, all can enter the egg.