Table I.

Characteristics of women in each immunization group

GroupnaAgeRacial Compositiona,bMenstrual Cycle Phasea,c
Mean (range)L-AA-ACMidfollicularMidluteal
V-FP532 (19–41)12250
V-LP530 (21–35)02305
N632 (19–42)11442
Rd532 (18–45)21231
  • a Number of subjects.

  • b Latin-American (L-A), Afro-American (A-A), and Caucasian (C).

  • c Phase during which both immunization and sample collection was performed.

  • d One woman using DepoProvera was immunized independently of menstrual cycle phase.