Macrocephaly
Macule
Malaise
Mass in the abdomen
Mastalgia
Mastodynia
Maternal blood loss
Melancholy
Melena
Memory loss
menorrhagia
Menstrual cramps
Menstrual periods - heavy, prolonged, or irregular
Menstrual periods - painful
Menstruation - absent
Menstruation - painful
Mental status - decreased
Metallic taste
Metopic ridge
metrorrhagia
Microcephaly
Micrognathia
Miliaria/Milia
Milk secretions
Missed periods
Mongolian slant
Mood changes
Moon face
Morbid obesity
Morning sickness
Moro reflex
Motormental retardation
Mottling
Mouth sores
Movement - uncontrollable
Movement - uncontrolled or slow
Movement - uncoordinated
Movement - unpredictable or jerky
Movements - inability to perform useful tasks
Mulberry teeth
Muscle - jerky movements (uncontrolled)
Muscle aches
Muscle atrophy
Muscle cramps
Muscle fasciculation
Muscle function loss
Muscle pain
Muscle twitching
Muscle wasting
Muscle weakness
Myalgia