Up until quite recently in history, the vast majority of births occurred in the home. As of 2009, however, in the United States, only about 0.72% of all births were home births. Statistics for most other developed countries are similarly low. Despite their relatively rarity in developed nations in the modern era, some mothers greatly prefer home births to hospital births. There are numerous reasons why a mother might choose a home birth over a hospital birth. However, it should be noted that some scientific studies have associated home births with a 2-3 times greater risk of complication. Though the elevated rate of complication is still not very high in absolute terms (corresponding with only several births experiencing complications per every 1,000), undecided mothers should understand that home births may be slightly more risky than hospital births. On the other hand, home births offer certain advantages that hospital births may not be able to, including:  Greater freedom for the mother to move, bathe, and eat as she sees fit A greater ability for the mother to adjust her position during labor The comfort of familiar surroundings and faces The ability to give birth without medical assistance (like the use of painkillers), if desired The ability to meet religious or cultural expectations for birth Lower overall cost, in some situations In certain situations, births carry an increased risk of complication for the child, the mother, or both. In these situations, the health of the mother and child outweigh any minor advantages a home birth may offer, so the birth should be carried out in a hospital, where experienced doctors and life-saving medical technology are available. Here are situations in which an expectant mother should definitely plan to give birth in a hospital:  When the mother has any chronic health condition (diabetes, epilepsy, etc.) When the mother has undergone a C-section for a previous pregnancy If prenatal screening has revealed any health concerns for the unborn child If the mother has...

How would you rephrase that briefly using Chinese?
了解在家中分娩的利弊。 要知道什么时候不能够在家中分娩。 知道家中分娩的合法性。