Talk:Book - Sex and internal secretions (1961) 16

I. Introduction 958

II. Length of Gestation 958

III. Normal Reproductive Potential... 959

IV. Environment 962

A. Crowding 962

B. Body Temperature and Hypoxia. . . 962

V. Maternal Hormone Levels during Gestation 963

A. Estrogens 964

B. Gestagens 964

C. Sources of Gestagens 972

D. Relaxin 973

E. Sources of Relaxin 976

F. Adrenal Cortex 976

L Hydrocortisone 976

2. Aldosterone 979

G. Thyroid Gland 979

H. Growth Hormone 980

I. Prolactin 981

J. Placental Gonadotrophins 982

1. Human chorionic gonadotrophin (HCG) 983

2. Equine gonadotrophin (PMS). . . 985

VI. Pregnancy Tests 986

VII. Water and Electrolyte Balance.. 988

VIII. Plasma Proteins 993

IX. Renal Function 994

X. Enzymes 995

A. Histaminase 995

B. Carbonic Anhydrase 996

XI. Factors in the Maintenance of Gestation 997

A. Thyroid Gland 997

B. Adrenal Cortex 1000

C. Pancreas 1003

D. Ovarv: Progesterone, Estradiol, and Relaxin 1003

E. Pituitarv Gland 1005

F. Placenta 1006

G. Pelvic Adaptation 1008

H. Dilation of the Uterine Cervix .... 1011

XII. Uterine Myometrial Activity 1013

XIII. Parturition 1015

A. Progesterone 1015

B. Oxvtocin 1015

C. Relaxin 1016

D. Labor 1017

^ Aided by grants from the Purdue Research Foundation.

XIV. Conclusion.

XV. References