If your doctor deems that it is safe for you to fly then yes you can travel from New York to Delhi if you are 7 months pregnant. Make sure you contact your OBGYN before you make arrangements to fly.
No, you cannot have a period the first month of pregnancy or at any other time during pregnancy. Menstruation occurs if the egg has not been fertilised, and you cannot menstruate during pregnancy.
after 3 month
No, exercise is good and important throughout the pregnancy.
NO! it's not recommended for later in pregnancy so definitely not in the first month
Yes
no you can't no you can't
yes.
the size of a pinhead
Yes. It is safe.
the eggs are formed before pregnancy that is how the women get pregnant!
Yes. It is safe through out pregnancy. It is nutritious also.
yes its normal.do not worry