If you are married , it is assumed that any child born of your wife , is your child . Same for ladies , any child born by a married woman is presumed to be the child of her husband, if it was conceived during the marriage or if being conceived before marriage , the child was born during it . If you have doubts about the paternity of a child ( whether you’re its mother , whether you’re supposed father ) can resolve this situation by performing paternity tests . For admission in establishing paternity action must prove : childbirth , during conception intimate relationship between the alleged father and mother , and that these relationships resulting child .