This chart certainly makes me think so. Look at the numbers: In every rank from lieutenant to colonel, the majority of female Marines with more than 10 years of service have no children. Most notably, among majors, it is 68 with children, 126 without.

u.s. marine corps female marines gender integration marine officerMarine Corps Gazette

Here’s a link to the Marine Corps Gazette article by Maj. Christie Everett that the chart accompanies.