Fertility and Sterility in Human Marriages |
From inside the book
Results 1-5 of 11
Page 28
... rats , some strains of which have been studied for many years in the animal laboratories , it has been found that while the mating sterility of certain specialized strains varies from 20 to 35 per cent . , that of natural rats of ...
... rats , some strains of which have been studied for many years in the animal laboratories , it has been found that while the mating sterility of certain specialized strains varies from 20 to 35 per cent . , that of natural rats of ...
Page 33
... rats under natural conditions . 1 Prevention of pregnancy during the first one or two years of married life for economic reasons is , however , frequent , and may go far to explain the high percentage of sterility obtained in our ...
... rats under natural conditions . 1 Prevention of pregnancy during the first one or two years of married life for economic reasons is , however , frequent , and may go far to explain the high percentage of sterility obtained in our ...
Page 155
... rats from a strain which had been care- 1 McCollum , E. V. , The Newer Knowledge of Nutrition , New York , Mac- millan Co. , 1918 . 2 Osborne and Mendel , Jour . Biol . Chem . , vol . xxxv , 1918 ; vol . xli , 1920 . Science , xlv , 294 ...
... rats from a strain which had been care- 1 McCollum , E. V. , The Newer Knowledge of Nutrition , New York , Mac- millan Co. , 1918 . 2 Osborne and Mendel , Jour . Biol . Chem . , vol . xxxv , 1918 ; vol . xli , 1920 . Science , xlv , 294 ...
Page 156
... rats was then 0.65 . Since the sterility of any of the unproductive matings might well have resulted from the union of one fertile and one sterile rat , it was evident that the next step should be to remate all the rats which had been ...
... rats was then 0.65 . Since the sterility of any of the unproductive matings might well have resulted from the union of one fertile and one sterile rat , it was evident that the next step should be to remate all the rats which had been ...
Page 157
... rat of known fertility , and this process of remating was con- tinued until , as it happened , every rat in this first short series produced young in one or another remating . This very surprising result proved that all the rats which ...
... rat of known fertility , and this process of remating was con- tinued until , as it happened , every rat in this first short series produced young in one or another remating . This very surprising result proved that all the rats which ...
Common terms and phrases
abdominal abnormal active altered amount animals anteflexion appearance become canal cause of sterility cells cent cervical secretion cervix changes chapter clinical coitus complete condition corpus corpus luteum course curetage cyst decrease deep urethra degree diagnosis diet disease dition ejaculation epididymis especially essential estrous cycle evidence examination fact failures female fetus fibroids follicle frequently function genital glands gonorrhea gonorrheal habits human race important impregnation incision increased individual infection infertility insufflation less ligaments male marriages mating mature mechanism of fertility menstruation ment method microscopic mild miscarriage motility mucous membrane mucus necessary normal obtained occur operation organs ovarian ovarian neoplasms ovary ovum partner patient pelvic persistent physiologic possible postcoital pregnancy present probably produced prognosis pronucleus prostate puberty rarely rats result semen seminal vesicles sexual slight spermatozoa stage sterility sufficient surgery suture symptoms testicle tion tissue treatment trouble tubes usually uterine cavity uterus vaginal varies vitamin woman women