If your last period first date occurs during one of the following periods and you get pregnant, you have more chances to get baby boy: December 29, 2016 - December 31, 2016 January 1, 2017 - January 31, 2017 February 1, 2017 - February 25, 2017 March 28, 2017 - March 31, 2017 April 1, 2017 - April 25, 2017
If your last period first date occurs during one of the following periods and you get pregnant, you have more chances to get baby boy:
December 29, 2016 - December 31, 2016
January 1, 2017 - January 31, 2017
February 1, 2017 - February 25, 2017
March 28, 2017 - March 31, 2017
April 1, 2017 - April 25, 2017