Wayne Henry, a 35 year veteran educator, is McNairy County's Director of Schools. He previously served as an English teacher, football coach, athletic director, assistant principal, principal, and assistant superintendent at various schools in the area.
The availability of gonadotrophin-releasing hormone (GnRH) antagonist for ovarian stimulation protocols has generated many meta-analyses comparing it to GnRH agonist long protocols. These meta-analyses have yielded conflicting results for pregnancy rate, with a tendency towards a better outcome for GnRH agonists.
The four hormones interact with each other. FSH causes Oestrogen release and oestrogen inhibits FSH. LH stimulates both oestrogen and progesterone production. Before ovulation LH release is stimulated by oestrogen but after ovulation it is inhibited by both oestrogen and progesterone. In summary, the hormones have the following effects: