<prompt> A patient presented at 20 weeks of gestation. The patients LMP was 9th January. What will be the estimated date of delivery?9th January16th September16th October9th October  <response>: Ans. is c, i.e. 16th OctoberEDD can be calculated by Naegeles formulaEDDLMP9 months and 7 daysSo to January add 9 months OctoberTo 9 add 716Hence LMP of the female becomes- 16th October 