Any suggestions !!? 😁 calling all moms who have girls

yesenia • Mother of 3 boys💙 ( 8YR , 7YR and 1 1/2 YR ) pregnant with my first princess👶🏼🌸🎀💕
I have 3 boys age 8, 6 and 1/2 year old and I'm pregnant with baby #4 and it's a GIRL 🎀😍 I been thinking about it more and more now and it's driving me nuts lol please don't judge ..what do I need to know!? I mean anything in general to her care and things like that ..What is a must to buy for her  .. I seen a post before about maybe seeing a small bit of blood in her diaper ? 😳 Help ?😁