The term perinatal covers the period from -
Perinatal covers from From 28 week of gestation to one week after bih. REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 518
28 weeks gestation to one week after bih
First 4 weeks after bih
28 weeks gestation to one month after bih
24 weeks gestation to one week after bih
obstetrics,pediatrics and geriatrics