The answers to your question is 2, 3, and 5
Intra-uterine device(IUD) to prevent the fertilised egg from implanting itself in the uterine wall.
It's nutrients because that's what absorbs from food.
It is fairly complicated, but it all comes down to the testosterone in males and estrogen in females as they are the biggest reason of the fat storage in your sides. Female bodies keep the excess fat in their thighs and butts, and on the other hand, male bodies tend to push fat into the stomach.
Because they both drug manufacturers?
