Whatever mother takes in - food, steroids - goes in some form to the foetus (baby) through the umbilical cord. So food and substances that can harm should be avoided.
If your wife is already pregnant, what you put into your body will not affect the child she is carrying. However, steroids or any other drugs can have an effect on any future offspring so keep that in mind.
It is possible to be pregnant while being treated with PID.
Yes, steroid certainly affect liver function. Quit while you're ahead.
When pregnant, you do not get your period
No! But they can get pregnant as soon as they have babies.
No
Using met while pregnant is terratogenic to the growing fetus.
No you don't ovulate while pregnant so there's no egg to fertilize.
Yes you can, there are many ways but you can also have sex while being pregnant.
see link below "Can you have a paternity test while you are pregnant?"
She had at least one shot while being pregnant
no because if the egg is then fertilised, then you will become pregnant, and you do not have periods while you are pregnant.