[Pregnancy during dialysis: experience in six patients].

Background: The frequency of pregnancies during dialysis is increasing. This condition requires changes in the dialysis schedule and nutritional approach.

Aim: To report the experience in six patients with terminal kidney disease who became pregnant.

Effects of tibolone and continuous combined hormone therapy on mammographic breast density and breast histochemical markers in postmenopausal women.

Objective: To compare changes in mammographic density and the expression of markers of proliferation (Ki67) and apoptosis (Bcl-2) after 1 year of treatment with tibolone and continuous conjugated equine estrogens combined with medroxyprogesterone acetate (CEE-MPA).

Design: Comparative, randomized, evaluator-blinded study.

Setting: City research hospital.