What standards are applicable to the manufacture of bioidentical medicines?

By who? Compounding pharmacists are supposed to meet certain standards and they custom make bioidentical hormones. Some are manufactured by big pharma such as estrace, aka Estradiol and Prometrium (micronized progesterone) (progesterone) which are bioidentical. They have lots of standards. Don't try to figure this out on your own, find a doctor your trust and let them guide you.