Maternity uniform?

Cynthia • I`m 33 my Husband is 37 we have 2 beautiful baby girls, and have 2 fur babies. First daughter conceived IUI. Second daughter is a miracle.
I am full time Army national guard, so as active duty I can not receive uniforms I have to order them. Where can I order them from I have tried my exchange/clothing and sales all they had were dress I need acu. Anyone know where to get them and I have no idea about sizes I'm still rocking the med reg pants and small short top. Please help no more room in my in my uniform.