IDPA allows differnt holster for women due to the difference in shape of the hips. There are holsters made specificly for women and cometiotion shooting. maybe pax could offer some help on this subject.
The IDPA rule book on pages 34 and 35 state that holster for female are EXEMPT form basicaly all hoster restrictions stating that the holster may not cant the handgun away from the body past the 90 degree to the ground.
here are the links to the info,
and the rule book,
page 34 and 35 have the info needed
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