The PCPNDT Act prohibits sex selection and regulates prenatal diagnostic techniques to detect genetic disorders or abnormalities. It aims to prevent misuse of these techniques for sex determination or female foeticide. The MTP Act regulates access to safe abortion and defines when and under what circumstances abortion is permissible up to 20 weeks. The PCPNDT Act allows prenatal diagnosis for high-risk pregnancies over 35 years of age or family history of disorders, while the MTP Act permits termination up to 12 weeks with one practitioner or up to 20 weeks with two practitioners if continuing the pregnancy risks the woman's life or mental health or risks birth defects in the child.