Simantonnayana Sanskar is performed after Pumsavana sanskar in the last trimester of pregnancy. The main purpose is the safe delivery of baby and health of both mother and child According to this sanskar, the pregnant wife seats on a soft chair and with caressing attention, the husband himself parts her hairs upwards from the forehead three times, first with a bunch containing an even number of unripe Gular (Udumbara or Ficus racemosa) fruits and three bunches of darbha grass, next with a porcupines quill having three white spots and finally with a stick of the Viratara wood and a full spindle, chanting each time three Mahavyahrtis (great mystical mantras), Bhur, Bhuvah and Svah. But according to Baudhayana different two verses are chanted. After the Simantonnayana ritual and until the birth, the woman is expected to not overexert herself, her husband is expected to be by her and not to travel to distant lands.