Main  Contacts  
Table of contents
PREFACE
INTRODUCTION
REPRODUCTION-1
REPRODUCTION-2
REPRODUCTION-3
ANATOMY OF THE REPRODUCTIVE ORGANS-1
ANATOMY OF THE REPRODUCTIVE ORGANS-2
ANATOMY OF THE REPRODUCTIVE ORGANS-3
ANATOMY OF THE REPRODUCTIVE ORGANS-4
THE SEXUAL RELATIONS-1
THE SEXUAL RELATIONS-2
THE SEXUAL RELATIONS-3
THE SEXUAL RELATIONS-4
THE SEXUAL RELATIONS-15
CHASTITY-1
CHASTITY-2
CHASTITY-3
CONTINENCE
MARITAL EXCESSES-1
MARITAL EXCESSES-2
MARITAL EXCESSES-3
PREVENTION OF CONCEPTION:ITS EVILS AND DANGERS-1
PREVENTION OF CONCEPTION:ITS EVILS AND DANGERS-2
INFANTICIDE AND ABORTION
THE SOCIAL EVIL-1
THE SOCIAL EVIL-2
THE SOCIAL EVIL-3
SOLITARY VICE-1
SOLITARY VICE-2
RESULTS OF SECRET VICE-1
RESULTS OF SECRET VICE-2
EFFECTS IN FEMALES
CURATIVE TREATMENT OF THE EFFECTS OF SELF-ABUSE-1
CURATIVE TREATMENT OF THE EFFECTS OF SELF-ABUSE-2
CURATIVE TREATMENT OF THE EFFECTS OF SELF-ABUSE-3
A CHAPTER FOR BOYS-1
A CHAPTER FOR BOYS-2
A CHAPTER FOR BOYS-3
A CHAPTER FOR BOYS-4
A CHAPTER FOR GIRLS-1
A CHAPTER FOR GIRLS-2
A CHAPTER FOR GIRLS-3
INDEX

period, the two ovaries acting alternately. Occasionally two ova are 

matured at once. If fecundation occurs, the result will be a development 

of two embryos at the same time. In rare cases, three or even four ova 

are matured at once, and by fecundation produce a corresponding number 

of embryos. As many as five children have been born alive at one birth, 

but have not lived more than a few minutes. 

 

The occurrence of multiple pregnancies may be explained by the 

supposition that ova matured subsequent to the first fecundation are 

also fecundated. 

 

In lower animals, the uterus is often divided into two long segments 

which afford room for the development of a number of young at once. 

Some ancient writers make most absurd statements with regard to the 

fecundity of females. One declares that the simultaneous birth of seven 

or eight infants by the same mother was an ordinary occurrence with 

Egyptian women! Other statements still more extravagant are made by 

writers. For example: A traveler in the seventeenth century wrote that 

he saw, in the year 1630, in a church near the Hague, a tablet on which 

was an inscription stating that a certain noted countess gave birth 

at once, in the year 1276, to 365 infants, who were all baptized and 

christened, the males being all called John, and the females, Elizabeth. 

They all died on the day of their birth, with their mother, according 

to the account, and were buried in the church, where a tablet was erected 

to their memory. 

 

Monsters.--Defects and abnormalities in the development of the embryon 

produce all degrees of deviation from the typical human form. Excessive 

development may result in an extra finger or toe, or in the production 

of some peculiar excrescence. Deficiency of development may produce 

all degrees of abnormality from the simple harelip to the most frightful 

deficiency, as the absence of a limb, or even of a head. It is in this 

manner that those unfortunate individuals known as hermaphrodites are 

formed. An excessive development of some parts of the female generative 

organs gives them a great degree of similarity to the external organs 

of the male. A deficient development of the male organs renders them 

very similar in form to those of the female. Redundant development of 

the sexual organism sometimes results in the development of both kinds 

of organs in the same individual in a state more or less complete. Cases 

have occurred in which it has become necessary, for legal purposes, 

to decide respecting the sex of an individual suffering from defective 

development, and it has sometimes been exceedingly difficult to decide 

in a given case whether the individual was male or female. 

 

Such curious cases as the Carolina twins and Chang and Eng were formerly 

supposed to be the result of the union of two separate individuals. 

It is now believed that they are developed from a single ovum. It has 

been observed that the primitive trace--described in a previous 

section--sometimes undergoes partial division longitudinally. If it 

splits a little at the anterior end, the individual will have a single 


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