Prenatal checkups Prenatal checkups in Sanghavi, Pimple Gurav PCMC Pune. Prenatal checkups are regular visits with a doctor or midwife during pregnancy. They help to ensure the health of the mother and baby, and to identify and prevent problems. Frequency of checkups Every four weeks for the first 28 weeks of pregnancy Every two weeks from 28 to 36 weeks Every week from 36 weeks until birth