Complex sentence: The women of the ashram urged Uttanka to cohabit with her so that her fertility period would not be wasted, but Uttanka refused to oblige as he was duty bound to his guru and he considered the act immoral.
Split into simpler sentences: The women of the ashram urged Uttanka to cohabit with her so that her fertility period is not wasted. However, Uttanka refused to oblige as he was duty bound to his guru and he considered the act immoral.