Complex sentence: Stan, meanwhile, prays for his period, but does not receive it; he then visits Dr. Mephesto and gets a bottle of hormone pills, overdoses on them and grows a beard, a deeper voice and a pair of breasts.
Split into simpler sentences: Stan, meanwhile, prays for his period, but does not receive it; he then visits Dr. Mephesto and gets a bottle of hormone pills. Stan continues to use them leading him to grow a beard, a deeper voice and a pair of breasts.