<unk>  or<unk>  cell therapy is an experimental medical therapy where researchers<unk> <unk>  from a fetus into a person as treatment of a disease. In the case of Parkinson's disease, it is hoped that the<unk><unk>  would produce chemicals, specifically dopamine, which is lacking in the diseased brain. This therapy is also being investigated for treatment of Alzheimer's disease and Huntington's disease.<unk><unk>  is unique since it is fast growing and has a lower possibility of rejection from the host's immune system than adult cells.
Fetal tissue implant
Fetal surgery
Artificial womb
Embryo cryopreservation
Microchip implant 
Assisted reproductive technology
Egg donation
Fertility preservation