birth to the child, whether the child is conceived naturally or
   following assisted reproduction. It does not matter whether she has any
   genetic connection with the child – in law she is regarded as the
   mother “for all legal purposes” at the time of the child’s birth.

--
   partnership at the time of artificial insemination through a clinic,
   then her husband or civil partner will automatically be regarded as the
   child’s father or other parent in law (provided they have consented to
   the treatment). In these circumstances a child will have two legal
   parents at birth.
--
   If the birth is registered jointly with the donor, he will
   automatically acquire parental responsibilities and rights in relation
   to the child. He will be relinquishing any treatment in law of him as a
   licensed sperm donor and will have identical rights and
   responsibilities to the child as that of the mother.