A maternity test is a DNA test that determines whether a woman is the biological mother of a child. Test requires the child and the alleged Mother. Maternity test results are used in the following circumstances:   Confirm that an adoptee has been reunited with his/her birth mother. Confirm that an embryo conceived through in vitro fertilization was implanted into the correct mother. Resolve situations in which mothers or hospital staff suspect that a baby mix-up has occurred in the nursery. ***This test cannot be used in court***