This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Impoant Terminologies and Primitive Neonatal reflexes, Subject name: Pediatrics
A mother does not remember the date of her last menstrual period and no antenatal ultrasound repos are available. Which of the following tools can be used to assess the gestational age of the neonate born to this mother? 
Select and explain. 
A. Apgar score, B. Extended Silverman score, C. Expanded new Ballard score, D. Downe's score
C: Expanded new Ballard score
Answer: C: Expanded new Ballard score 
Explanation: Expanded new Ballard score -assess the gestational age of a neonate. It has an accuracy of +/- 1 week. Extended Silverman score (for preterm neonates) & Downe's score (for term neonates): assess respiratory distress in neonate. Apgar score- evaluate newborn's condition