A review of the hormone prolactin during lactation. A review of the hormone prolactin during lactation. A review of the hormone prolactin during lactation. prolactin prolactin A review of the hormone prolactin during lactation. Une revue de l'hormone prolactine pendant l'allaitement source A review of the hormone prolactin during lactation. A review of the hormone prolactin during lactation. A review of the hormone prolactin during lactation A review of the hormone prolactin during lactation. A review of the hormone prolactin during lactation. A review of the hormone prolactin during lactation.