Just the smell of snuff cannot hurt a fetus. But if you kiss someone after they have had snuff in their mouth, some of the chemicals in snuff can transfer to your saliva. I do not know of any studies about the "effects of secondary snuff" on a fetus; ask your doctor.
Antibiotics can cause abortions if not administered correctly or given at a time when the cow doesn't need it. It won't hurt the cow, no, but it may hurt the unborn fetus inside her.
no...
Yes.
No, but get your doctor's advice first
No you can wear whatever you want but it will be uncomfortable after awhile so you can use maternity clothes. They have jeans too. But regardless of what you wear is the fetus protected inside and will not get hurt.
Yes. Just like it will give you a bowel movement it will do the same to the fetus and it can be fatal.
Synthroid is a schedule A drug which means it has been extensively tested in humans and does not appear to cause any harm to the developing fetus.
yes
Yes, because the uterus is growing to accomodate the fetus.
perms do not hurt, but they do smell bad
All stages, however I believe most of the damage can be done in the first 4 months until the fetus is almost completely developed.
Nope it's completely safe and natural. When the fetus have the hiccups too.