Yes.
No it is not safe. Going on a HCG supplement as a pregnant woman is very dangerous. You should not be trying to lose weight if you are pregnant.
Water would be good and not other mouthwashes
yes is safe for pregnant woman in
If the water supply is not contaminated with fluoride then yes it is safe. If it is contaminated it is unsafe especially for pregnant woman and children.
Calcium
Yes
Yes it is.
No. It is not harmful for pregnant woman to go in high altitude elevator.
Use what?
Rogaine should never be handled by a woman who is pregnant or may become pregnant. It is associated with a specific birth defect.
No. It is totally safe for pregnant women. As such all radiations with wave lengths longer than light wave are safe for pregnant women.
A woman can get pregnant at any time