During the second stage of normal labor, the Ritgen’s maneuver is used for:

Correct option is A

Ritgen’s maneuver applies upward pressure on the fetal chin through the perineum while controlling the head with the other hand. It facilitates safe, controlled delivery of the head.
Explanation of options: (a) ✔ Correct; it prevents perineal tears by slow, controlled head delivery. (b) ✘ Placental expulsion uses controlled cord traction, not Ritgen. (c) ✘ Shoulder rotation occurs spontaneously or with gentle assistance, not by Ritgen. (d) ✘ PPH control requires uterotonics and fundal massage, not this maneuver.