The toxic effect is related linearly through a relatively large range of body weights, to the body weight of the victim, and, The mechanism of toxicity is the same for âsimilar animalsâ, i. e. one may conduct toxicity tests on say rats or mice and apply the LD50 data to human, since both are mammals.
For moderate menstrual cramps, the nonsteroidal anti-inflammatory drugs (NSAIDs, such as ibuprofen [Advil, Motrin, Nuprin, etc.] or naproxen [Aleve, Anaprox, Naprosyn, Naprelan]) are often helpful.
Check our birth control statistics for more information. There are many hormonal types of birth control to choose from such as birth control pills, the shot, skin patch, mirena iud, and nuvaring birth control. Hormonal types of birth control prevent pregnancy by stopping monthly egg production. It can also help relieve heavy periods, cramping and acne.