Prenatal care consumes a big part of a pregnant woman’s life. There are the monthly appointments, the tests — all on top of whatever is going on at home. And it can be overwhelming. But a new program, called Centering Pregnancy, tries to ease that burden by putting women in groups for their prenatal care.Prenatal care consumes a big part of a pregnant woman’s life. There are the monthly appointments, the tests — all on top of whatever is going on at home. And it can be overwhelming. But a new program, called Centering Pregnancy, tries to ease that burden by putting women in groups for their prenatal care.