1. Racial differences in sex hormone levels in women approaching the transition to menopause 
Jeanne M Manson, Ph.D., Mary D Sammel, Ellen W Freeman, Ph.D., Jean A Grisso 
Fertility and Sterility 
Volume 75, Issue 2, Pages (February 2001)
DOI: /S (00)

2. Figure 1
Schedule of Study Assessments. Current evaluation is of cycles 1 to 4. BD = Blood draw for hormone measurements. Psychological and physical symptoms were measured during the first cycle of each assessment period.
Manson. Hormones approaching transition to menopause. Fertil Steril 2001.
Fertility and Sterility  , DOI: ( /S (00) )

3. Figure 2
Estradiol levels by age at enrollment and body mass index. ▵ Caucasians = 1. □ African Americans = 2.
Manson. Hormones approaching transition to menopause. Fertil Steril 2001.
Fertility and Sterility  , DOI: ( /S (00) )

4. Figure 3
DHEAS levels by age at enrollment and body mass index. ▵ Caucasians = 1. □ African Americans = 2.
Manson. Hormones approaching transition to menopause. Fertil Steril 2001.
Fertility and Sterility  , DOI: ( /S (00) )