and
Female Pelvis.

III. THE PHYSIOLOGY OF THE FEMALE SEX ORGANS 49

Function of the Ovaries--Internal Secretion of the Ovaries--
Function of the Internal Secretion--Number of Ova in the
Ovaries--The Graafian Follicles--Ovulation--Corpora
Lutea--Function of the Fallopian Tubes--Function of the
Vagina--Functions of the Vulva, Clitoris and Mons Veneris--
Function of the Breasts--Besides Secreting Milk Breast Has
Sexual Function--The Orgasm--Pollutions in Women--Secondary
Sex Characters--Differences Between Woman and Man.

IV. THE SEX INSTINCT 62

Universality of the Sex Instinct--Not Responsible for Our
Thoughts and Feelings.

V. PUBERTY 65

Physical Changes in Puberty--Physical Changes in the Genital
Organs and in the Rest of the Body--Psychic Changes--Puberty
and Adolescence--Nubility.

VI. MENSTRUATION 71

Definition of Menstruation--Where Menstrual Blood Comes
From--Age of Menstruation--Age of Cessation of
Menstruation--Duration--Amount--Regularity and Irregularity.

VII. ABNORMALITIES OF MENSTRUATION 75

Disorders of Menstruation--Menorrhagia--Metrorrhagia--
Amenorrhea--Vicarious Menstruation--Dysmenorrhea of Organic
and of Nervous Origin.

VIII. THE HYGIENE OF MENSTRUATION 78

Lack of Cleanliness During Menstrual Period--Superstitious
Beliefs--Hygiene of Menstruation.

IX. FECUNDATION OR FERTILIZATION 82

Fecundation or Fertilization--Process of Fecundation--When the
Ovum Matures--Fate of Ovum When no Intercourse Has Taken
Place--Entrance of Spermatozoa as Result of Intercourse--The
Spermatozoa in Search of the Ovum--Rapidity of Movements of
Spermatozoa--Absorption of Spermatozooen by Ovum--Activity of
Impregnated Ovum in Finding Place to Develop--Pregnancy in
the Fallopian Tube and Its Dangers--Twin Pregnancy--Passivity
of Ovum and Activity of Spermatozooen Foretell the Contrasting
Roles of the Man and the Woman Throughout Life.

X. PREGNANCY 88

Period of Pregnancy in Human Female--Physiologic Process of
Pregnancy--Growth of Embryo from Moment of Conception--