"Donor mothers" refers to women who willingly donate their eggs or embryos to help other individuals or couples who are unable to conceive a child naturally. Full definition
For - profit companies sell their products at a profit while relying on donor mothers to provide the raw human milk for processing. (lactationmatters.org)
Pooled donor milk, which is a collection of stored milk from multiple donor mothers, can be of two types: from mothers of term infants or from mothers of premature infants. (babyreference.com)
Because the egg - donor mother also supplies to each embryo a small number of mitochondria — tiny energy factories within cells that have some of their own genetic material — this approach even affords lesbian couples an approximation of sexual reproduction. (scientificamerican.com)