Sex on Period

So I'm a lesbian married woman me and my wife been together for 7 yrs next month on the 14 on Valentine's day it will be 3 yrs we been married and we just welcome our baby girl on my wife birthday Nov 27 2017 (btw I carried the baby we went to the doctor and did the procedure) anyways when I catch my period I want to fuck and she is okay with it we get really nasty and it turns her on is it normal we like the enjoyment of it is it weird? Now that I'm on my period I wanna fuck but she still at work ughh