Of course, you can also consider using a non-hormonal option, like the copper IUD or condoms, if you dont want to worry about drug interactions (condoms are also the only method that protects against STIs)
If youve taken it for period delay purposes, your period should arrive shortly after you stop
The angle of the needle with IM injections should be 90 degrees
Important differences among forms of B vitamins, such as those of niacin (nicotinic acid, niacinamide, and inositol hexanicotinate), folate (natural folate, folic acid, and L-5-methyltetrahydrofolate), and B-12 (methylcobalamin and cyanocobalamin), as well as how oral B-12 compares to B-12 injections
Nature 423 , 939948 (2003)