Yes, in countries where surrogacy is permitted, it is possible to use a sister or any other woman in the family to act as a surrogate. Many countries require a medical cause to impede pregnancy in order to have access to this treatment: in this case, this requirement is met, so this combination would be perfectly valid.
I have ovarian cancer. Can my sister be my surrogate?
By Natalia Álvarez (project manager).
Last Update: 01/30/2017
Graduated in Business Administration from the University of Alicante. She has more than 9 years of experience in the field of assisted reproduction and was the creator and director of the first assisted reproduction fair in Spain. She is the director of Wearesurrogacy and is an expert in the sector of surrogacy because during all these years has had the opportunity to know hundreds of real cases of couples who have carried out treatments for surrogacy and the best professionals, international clinics.