Preconception health care is the medical care a person receives from heath team members for better outcome in pregnancy. The objective of prenatal diagnosis and counselling is to reduce complications by identifying the risk factors early. Through proper prenatal diagnosis helps to reduce maternal and fetal mortality and morbidity rate. Prenatal diagnosis helps the couple to take prompt treatment to avoid complications in pregnancy. Couples have to be educate about the importance of antenatal visit and different measures for identify risk factors. Preconception care can significantly improve maternal and infant outcomes, and thus optimise intergenerational health. The aims of this scoping review are to (1) provide an up-to-date summary of preconception health and care strategies, policies, guidelines, frameworks and recommendations across the UK and Ireland and (2) explore preconception health and care services and interventions in Northern Ireland as a case study.1Preconception health and health care focus on things you can do before and between pregnancies to increase the chances of having a healthy baby. For some people, getting their bodies ready for pregnancy takes a few months.2. Some parents have increased risk of having a baby with a genetic disorder or other problem. They may want to consider one of these tests. Knowing about problems before the baby is born may help parents. They may be able to make better decisions about health care for their infant. Certain problems can be treated before the baby is born. Other problems may need special treatment right after delivery. In some cases, parents may even decide not to continue the pregnancy.4The main benefit of CVS is it can be done earlier in the pregnancy. It’s very accurate in detecting genetic abnormalities. But it does not detect some things that amniocentesis like Neural tube defects Birth defects incompatibility Amniocentesis might be the best option if previous history of a neural tube defect. The results of other tests during your pregnancy have been abnormal.