To define still bih, period is specified from -
Death of a foetus weighing 1000g at bih (this is equivalent to 28weeks of gestation.) REF. PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 519
20th week of gestation to 1 week after bih
28th week of gestation to 1 week after bih
20th week of gestation to bih
28th week of gestation to bih
obstetrics,pediatrics and geriatrics