What is the ruling on exhuming the bodies of a woman and her baby from the grave after three months to prove medical malpractice, and what is the ruling on washing and praying over a stillborn baby?

The basic principle is the impermissibility of exhuming a grave and dissecting a body after burial, and it is not permissible to do so except for a strong and overriding benefit. In this case, an accusation and weak suspicion are not considered an overriding benefit to justify exhuming the grave and dissecting the body after a long period has passed, due to the great harms involved, such as violating the sanctity of the deceased and causing distress to their family. Averting harm takes precedence over acquiring benefits.