Characteristics of Phylum: Platyhelminthes Mostly parasitic Organ level organization (no specialized circulatory or respiratory structures) Have undergone.
Hypothalamo-Pituitary- Gonadal Axis Dr. D. Johnson Assoc. Professor UNECOM Dr. D. Johnson Assoc. Professor UNECOM.
Amenorrhea Mayurasakorn N.. Not physiologic Primary amenorrhea Normal secondary sex characteristic no manarche by 16 years no periods by 2 years after.
