 Timeline of postnatal follow-up Number of patient for postnatal follow-up at specified age Patients Enrolled Peripartum follow-up 6 months 18 months 24 months 36 month Any age Year 1 90 68 18 18 Year 2 90 90 54 51 105 Year 3 90 90 54 51 49 154 Year 4 90 90 54 51 49 46 200 Year 5 90 90 54 51 49 46 200 Total 450 428 234 205 146 93 678 