trual Period--When Intercourse
May be Permitted--Injection Before Coitus During
Menstruation--Fallacy of Ancient Idea of Injuriousness.

XXXVI. SEXUAL INTERCOURSE DURING PREGNANCY 282

Complete Abstinence During Pregnancy--Bad Results of Complete
Abstinence--Intensity of Relations During First Four Months--
Intercourse During Fifth, Sixth and Seventh Months--
Intercourse During Eighth and Ninth Months--Abstinence
After Birth of Child.

XXXVII. SEXUAL INTERCOURSE FOR PROPAGATION ONLY 284

Belief in Sexual Intercourse for Propagation Only--What Such
Practice Would Lead to--Nature and the Sex-fanatics--Sexual
Desire in Woman After Menopause--Sex Instinct of Sterile Men
and Women--Sex Instinct Has Other High Purposes.

XXXVIII. VAGINISMUS 288

Vaginismus--Dyspareunia--Difference Between Vaginismus and
Dyspareunia--Adherent Clitoris a Cause of Masturbation and
Convulsions.

XXXIX. STERILITY 291

Definition of Sterility--Husband Should First be Examined--
One-child Sterility--The Fertile Woman--Salpingitis as a
Cause of Sterility--Leucorrhea and Sterility--Displacement
of Uterus and Sterility--Closure of Neck of Womb and
Sterility--Sterility and Constitutional Disease--Treatment
of Sterility.

XL. THE HYMEN 294

Difference Between Chastity and Virginity--Worship of Intact
Hymen--Sacrificing Hymen Sometimes Essential for Health of
the Girl--Certificate from Physician who has Ruptured Hymen.

XLI. IS THE ORGASM NECESSARY FOR IMPREGNATION? 297

Suppression of Orgasm by Woman to Prevent Impregnation--Bad
Results of Suppression by the Woman--Orgasm: Relation of to
Impregnation--A Hypothesis--A Fanciful Hypothesis--Why
Passionate Women Frequently Fail to Become Mothers--Advice
to Passionate Women who Desire to Conceive.

XLII. FRIGIDITY IN WOMEN 301

Meaning of Term Frigidity--Types of Frigidity--Large Percentage
of Frigid Women--Repression of Sexual Manifestations and
Frigidity--Frigidity and Masturbation--Frigidity and Sexual
Weakness of Husband--Frigidity and Dislike of Husband--Organic
Causes of Frigidity--A Frigid Woman May Become Passionate--
Tre