Paternity (Mother side) **

A paternity test determines if a person is the biological maternal side of a child. It’s performed by comparing DNA samples from the child to the alleged person. 
(legal)
This test can determine the biological relationship between:
Maternal half brothers/sisters
Maternal uncle/aunt – nephews/nieces
Maternal grandmother – grandson/granddaugter

Non-Invasive Prenatal Paternity Test (NIPPT) is a method to determine the biological relationship between the alleged father and the fetus without invading the mother’s body or affecting the fetus.

A paternity test determines if a person is the biological father/mother of a child. It’s performed by comparing DNA samples from the child and the alleged person. 
(legal)

Invasive Prenatal Paternity Test is a method to determine the biological relationship between the alleged father and the fetus by directly collecting fetal DNA through invasive procedures.

A paternity test determines if a person is the biological paternal side of a child. It’s performed by comparing DNA samples from the child to the alleged person. 
(legal)
This test can determine the biological relationship between:
Paternal grandfather – grandson
Paternal uncle -nephew
Brothers
Paternal grandmother – granddaugter
Paternal half sisters