Yes, it's the thought that counts - she wants to make sure you'd have an easy pregnancy after trying to tie you to her family forever. Nothing blatantly forward and yuri about that.
If you want to think of it elementally (looking at Moukou's fire charm), that might be the cloest charm they had to "WATER". Childbirth involves a lot of fluids, and the charm is meant to ease (lubricate) the process.
Isn't there a legend in Japan where if you receive an Omamori of fire protection before the age of 5 you will always be immune to fire?
I just bought it over there a little while ago....The Blessing of Easy ChildbirthLook, they match! I have one too.Well....That's what I was thinking.I kind of wanted something that would show that we're friends.This blessing is kind of... Well, it's the thought that counts, I guess....A charm?The Blessing of Easy ChildbirthThe Protection of Fire