What Is Kallmann Syndrome?
6. No Menstruation
As girls enter puberty, they will start menstruating. This is a process that helps ensure the uterus is lined with fresh tissue that provides a safe area for a fertilized egg to start developing. In order to keep the lining fresh, it is shed and replaced approximately once every 30 days.
Many girls with Kallmann syndrome will not start having periods when they should. In addition, they will not begin to grow pubic hair and their breasts will not begin to grow. This will often be missed at first because some children simply enter into puberty later than others do.
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