Internal rotation occurs in normal labour when fetus is at occipito-lateral

Internal rotation occurs in normal labour when fetus is at occipito-lateral position? mcq given below:

(a) 1/8^thof circle
(b) 2/8^th circle
(c) 3/8^th circle
(d) 4/8^th circle

Ans: (b) 2/8^th circle

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