Memory Controller Hub Maternal and Child Health Mean cell hemoglobin mean corpuscular hemoglobin MICHIANA Machine Check Handler Maintenance CHannel Master of Surgery Maternal & Child Health mean corpuscular haemoglobin melanin-concentrating hormone Memory and Command Handler Middle College High mucous cell hyperplasia Multipacket Command Handler muscle contraction headache Magister Chirurgiae Magnesium Chloride Hexahydrate mail chute Major histocompatibility complex Malicious Call Hold Matcher maternal and child health care Maternal and Child Health Program maternal and child health programs Maternal/Child Health McAlpine Helicopters mean cell haemoglobin mean cellular hemoglobin mean corpuscular Hb