Frozen sperm debate: Beth Warren on reasons for legal bid A woman who wishes to prevent her dead husband's sperm from being destroyed has explained why she has started legal action against the Human Fertilisation and Embryology Authority (HFEA). Beth Warren, whose husband Warren Brewer died of a brain tumour in February 2012, says she needs more time to make a decision about the sperm, which the HFEA says cannot be stored beyond April 2015.