👉 Perihermenial is a concept in medicine, specifically used to describe conditions that occur during pregnancy. It refers to any development or growth of the placenta outside the uterus during pregnancy. In this context, perihermenial means the growth and development of the placenta outside the womb, which can be seen as a sign of ongoing pregnancy. This is different from perinatal growth or development, which refers to the physical changes in the body that occur during the first trimester after conception
