Is 400ug folic acid ok

My name is pel I got married April, I mean April 2016,just found out last Sunday September 3rd, that am pregnant after being so nervous to carry out a test after my missed period since August 12,am 8ws 3days and my due date is April 18, 2017,i have been using 400ug folic acid is that OK,?please please I need your reply.. Thanks - http://glowing.com/community/topic/1108506?utm_source=android&utm_medium=shared_to_third_party&utm_campaign=glow_community