polycystic ovary syndrome or pcos. multiple immature follicles or ovarian cysts

estrogen problem contraception period infertile fertility medical oocyte ovum female pregnancy reproductive gynecology system woman menstrual fertile hormone cycle science anatomy vector ovaritis genetic endocrine disease fertilization follicle health infertility cyst illustration cystic reproduction multiple immature follicles ovarian cysts ovary polycystic egg cells normal syndrome ovulation