Penthouse Forum April 1975

8 SENSUOUS SAN FRANCISCO.
Don Chamberlain explores one of the most liberated cities in the world
12 SPERM BANKS.
Sterilization and procreation needn't be incompatible, says Peter Hochstein
17 FORUM NEWS.
A world's eye view of ctrrent events in medicine and human relations
21 HERPES: THE SILENT VD EPIDEMIC.
The second most common venereal disease: a special report from Stephanie Abarbanel
24 THREESOMES.
Lynn Barber looks at a new erotic trend — the love trio
30 ONE MAN'S MARITAL FREEDOM
From conservative husband to liberated sauna-king, Steve Ostrow talks to Herbert Danska about his revolution in marriage
38 THE BABY TRAP?
Ellen Peck talks to a mother — who has nothing but regrets ...
44 HOW TO IMPROVE YOUR (LOW) SEX-DRIVE.
Robert Chartham's remedies for one of today's most vital complaints
50 INCEST: BROTHER/SISTER.
Is this the end of the home-sex taboo?
54 LETTER FROM LOS ANGELES.
Stanley R. Ross, our West Coast correspondent, reports on the Sun-State's latest sex craze
57 OPEN FORUM.
Your opinions, hopes, interests and experiences in every aspect of human relations
75 FORUM ADVISER.
Your questions answered by our panel of expert consultants
97 PENTHOUSE FORUM MARITAL QUESTIONNAIRE.
Vital questions you need to answer about your relationship