Endocrinology in Relation

To Reproduction

Endocrine glands play very important role in the physiology of reproduction.

Maturation of Graffian Follicles

and Ovulation

FSH

LH (small portion)

OESTROGEN (for FSH activity)

Follicular maturation

Corpus luteum secretes progesterone

17 α hydroxyprogesterone, oestradiol, androstenedione

PLACENTA

At 6 – 8 weeks, there is transfer of functions of corpus luteum to the placenta – acts temporarily as new endocrine organ or power house of hormone production.

Syncytiotrophoblast

Protein… Steriod…

RER, Golgi bodies,

mitochondria

PROTEIN HORMONES…

hCG (Human Chorionic Gonadotrophin)

HPL (Human Placental Lactogen)

PS β-1 G (Pregnancy Specific β-1 Glycoprotein)

HUMAN CHORIONIC

GONADOTROPHIN

transforming

breast

gonadotrophingonadal function

ovary