If there is a month between sexual encounters, as well as a period, is a paternity test necessary? edd was determined by multiple 1st tri ultrasounds.

Depends: The impact of the information often drives the need for a confirmatory study.If it was just for peace of mind, it would be considered unnecessary. If it is shadowed by legal issues like parental rights/ child support/ suspicions about the outcome, etc. It can be needed.The fact that it is available and definitive is often why it is used.Most hospitals have a the number for a lab that does it.