Summer Walker gives birth to twins at home with Erykah Badu's help.
The birth took 7 hours and was all natural.
Walker almost blacked out at end of both births.
She ate the placenta to maintain strength.
Has thin blood and often needs hospital visits after giving birth.
Badu's daughter Puma assisted with the birth.
This was the second time Badu served as a doula for Walker.
Walker's partner Larry was hands-on and supportive during the birth.