### Clue: Urge former partner to get hormone treatment without oestrogen at first (6)
### Answer: EXHORT 
 ### Explanation: Definition: Urge
 EX(former partner) **plus**(to get) HRT(abbrev. for "hormone replacement therapy", treatment mainly for menopausal women and trans-sexuals) **containing**(without) **the 1st letter of**(.. at first) "oestrogen ". An apt surface.