Chieri PR, Aldini AJ. Feasibility of placental biopsy in the second trimester for fetal diagnosis.
Am J Obstet Gynecol 1989;
160:581-3. [PMID:
2929677 DOI:
10.1016/s0002-9378(89)80032-8]
[Citation(s) in RCA: 20] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Second-trimester prenatal diagnosis by placental biopsy was possible in 200 of 220 patients (90.9%) to whom it was offered to expedite cytogenetic analysis. Cytogenetic analysis was successful in 190 cases (95%) when the material obtained was greater than 2 mg. We found five chromosome abnormalities; 47,XX, +21 (two cases); 47,XY, +18 (one case); and 45,XX,t (D;G) (two cases). There was one abortion 4 weeks after the placental biopsy (0.4%). If further experience confirms the accuracy, safety, and reliability of this method beyond the first trimester, it can be offered to mothers to expedite the cytogenetic, biochemical, and deoxyribonucleic acid analysis.
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