I thought I'd share the following the reply I got from Boots wrt the form you have to complete for their online prescption service that asks for gender and gives the options 'male' or 'female'.
'We appreciate your feedback regarding the gender section and are grateful to you for highlighting this. I can confirm that this is something our Online Pharmacy Team are currently looking to update as for medical purposes the correct wording should be sex at birth.
This is required by the NHS to ascertain that the medication is suitable for the individual so I have therefore shared your feedback with our Online Pharmacy Team to assist in their ongoing review