Ante-natal Progesterone and Intelligence

Toxaemia of pregnancy remains the “disease of theories” both in respect of its causation and treatment. Among the many treatments suggested, although not generally accepted, is the administration of progesterone from the middle trimester for the relief of toxaemic symptoms (1, 2 and 3). An unexpected finding has been the clinical observation that children of progesterone-treated mothers appear to reach their milestones earlier and to make excellent progress at school.