MGA was first synthesized, in 1959, from medroxyprogesterone acetate, which itself had been synthesized the year prior in 1958.  MGA in combination with ethinylestradiol (EE) was introduced in 1963 by British Drug Houses in the United Kingdom under the brand name Volidan (4 mg MGA and 50 μg EE tablets) as an oral contraceptive ,   and this was followed by Serial 28 (1 mg MGA and 100 μg EE tablets) and Volidan 21 (4 mg MGA and 50 μg EE tablets) in 1964 and Nuvacon (2 mg MGA and 100 μg EE tablets) in 1967, all by British Drug Houses also in the .  MGA was approved in 1967 for the treatment of breast cancer.   In the 1970s, it was found to be associated with mammary tumors in beagle dogs, and along with several other progestogens, was withdrawn from several markets as an oral contraceptive.  Subsequent research revealed that there is no similar risk in humans. 
The most recommended oral steroids cycle is the one, which consists of a single product. This way the possible effect on the state of the liver would be lessen. There are no rigidly defined framework of the oral steroids course duration, so it is better to consult with the experts, before starting the course. The daily amount of the steroid may vary. Therefore, before you are going to take steroids for muscle gaining in tablet form, make sure you have read the application note of the medicine. Most of coaches maintain that the oral steroids and the injectable steroids could be taken simultaneously only when using a certain system.