[Audit on pelvimetry at a polyvalent radiology department].

Purpose: Study of the dose absorbed by the fetus during CT pelvimetry.

Material And Methods: Twenty consecutive pelvimetries on pregnant women showed the mean fetal location in regard of the maternal pelvic skeleton (retrospective study). Then, thermoluminescent radiation detectors were put in the antropomorph phantom slices, in housing correspondent to the fetal's volume.

[Mitral valvuloplasty during the 4th month of pregnancy. Fetal protection with a lead mantle].

A 27 year old woman who had undergone closed heart surgical commissurotomy 10 years previously, underwent percutaneous mitral valvuloplasty during the fourth month of her pregnancy. Despite significant valvular thickening with calcification, the balloon dilatation led to an increase in valve surface area from 1.1 to 2 cm2 with no complications and with relief of the pulmonary hypertension.