Child support and custody?

Sarah • 19. Rilee Page ❤️ 8Ibs 1oz, 21 inches long 😍 5.25.15
Could someone tell me how the child support and custody stuff goes in Ohio? My daughter is due in about 3 weeks and I can tell her dad and I are gonna have a fun little battle with this 😒 I would like to know who has custody when she is born and how I could go about getting full custody