to my expecting mamas!

Hi all. Need advice. Giving birth in few mths time..edd is on 2nd aug. i have 15 days AL (can keep till Mar next yr). And of cos followed by 4 mths maternity leave. How would you take ur leaves accordingly before ur edd? Ftm so im not sure if i might be taking too early or too late. Kindly advise. Thanks!! :)