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.
Women of contraceptive age (non-menopausal) use DMPA for a variety of reasons. DMPA is private, with no daily pills to remember. DMPA can also help with heavy or painful periods, and it lasts three months.his method of birth control is effective, convenient, and lasts three months. DMPA is safe even for women who can not take estrogen. It works by stopping ovulation and thickening cervical mucus which helps to prevent sperm from reaching the female egg.