[Fetal chromosome studies in the first trimester of pregnancy].

The possibility of transcervical biopsy of chorion by the method of forceps and production of "direct" preparations of chromosomes in the first trimester of pregnancy has been studied. Satisfactory preparations are obtained during short-term incubation of villi for 24 and 48 hours. Portion of complete metaphases constitutes 0.

[Diagnostic criteria for polycystic ovary syndrome].

Due to the comprehensive examination of 50 patients with ovarian polycystosis the authors suggested that ultrasound, laparoscopic, hormonal and endometrial parameters should be employed as diagnostic criteria.