Why do men and women's clothing sizes come only in even numbers

As a man, I rarely have to try on clothing - sizes are more or less universal. But for women, every shirt and pair of pants, even those of the same size

What Exactly Is Petite Size in Women's Clothing?

Does height play a factor on the clothing sizes you wear? - Quora

A brief history of sizing systems, by Sizolution Team, Sizolution

A brief history of sizing systems, by Sizolution Team, Sizolution

Why Women's Clothing Sizes Are So Inconsistent

Why are women's clothing sizes so much simpler than men's? Women have S, M, L or 2, 4, 6, etc., but men are 34x36 or 48R. Shouldn't women's sizes take into account

Are clothing sizes getting larger? - Quora

What size in men's is a women's XL? - Quora