Hello A diaphragmatic hernia is a rare defect. It occurs while the baby is developing in the womb. 40% of babies with this condition have other problems as well.Soon after birth surgery has to be done to correct diaphragm in well established hospital, Moreover fetus has to survive till term atleast for 34 weeks which is doubtful, But MTP is done only till 24 weeks of pregnancy ,ask gynaecologist if they are ready to terminate ,go for it. Mothers health and her womb is very important. That should be your first priority.