If you search around the forum (most likely this Ordination section and the Theravada For The Modern World section) you'll find some lengthy discussions which arose out of the hullabaloo surrounding bhikkhuni ordinations performed by Ajahn Brahm.
These might give you some indication of the key issues and the breadth of opinion on them.
"Do not force others, including children, by any means whatsoever, to adopt your views, whether by authority, threat, money, propaganda, or even education." - Ven. Thich Nhat Hanh
"The uprooting of identity is seen by the noble ones as pleasurable; but this contradicts what the whole world sees." (Snp 3.12)
"To argue with a person who has renounced the use of reason is like administering medicine to the dead" - Thomas Paine