[Is the high frequency of Caesarean sections in a highly specialized gyneco-obstetric hospital justifiable?].

Objective: To determine if the high proportion of cesarean section performed at Obstetrics and Gynecology number 3 Hospital of the Medical Center "La Raza", IMSS (HGO3) is justified.

Material And Methods: We carried out a cross sectional study of 300 patients who underwent cesarean section during a period of 35 consecutive days, from October to November 2001. We reviewed their clinical expedients and went to additional direct interrogatory.

[Prevalence of osteopenia and osteoporosis assessed by densitometry in postmenopausal women].

Objective: Our goal was to know the osteopenia and osteoporosis prevalence, determined by densitometry using dual energy X-ray absorptiometry (DXA) to measure the bone mineral density (BMD) in postmenopausal women.

Subjects And Methods: A total the 202 postmenopausal women aged 37 at 74 years old was studied, at the Gynecologist and Obstetrics Hospital No. 3 Medical Center "La Raza" from the IMSS, initiated in December 2001 to June 2002.