[Risk analysis of brucelosis in the state of Tlaxcala].

Objective: To identify the risk of brucellosis in the state of Tlaxcala, Mexico.

Materials And Methods: A diagnosis of social type was conducted in the municipalities of Huamantla, Ixtenco and Teacalco, located in the eastern region of the state. The seroprevalence of brucellosis in goats and humans was determined.

[Johnson and Toshach method utility for calculating fetal weight in term pregnancies within a second level hospital].

Objective: To evaluate the utility of the Johnson and Toshach's method to calculate the fetal weight before the birth in patients with term pregnancy.

Patients And Method: A longitudinal, transversal and prospective study was done to analyze 244 patients between 37 to 41.6 weeks pregnancy, they were physically examinated and questionated, the body mass index was calculated and Johnson & Toshach method was used to calculate the fetal weight.