Chromosomal studies on 934 induced abortuses of middle-aged pregnant women

• Published in: Asia-Oceania journal of obstetrics and gynaecology Vol. 16; no. 3; p. 275
• Main Authors: Hoshi, N, Yamagami, Y, Hanatani, K, Tanaka, T, Fujimoto, S
• Format: Journal Article
• Language: English
• Published: Japan 01.09.1990
• Subjects: Abortion, Induced; Adult; Chromosome Aberrations; Female; Humans; Karyotyping; Maternal Age; Middle Aged; Parity; Pregnancy; Sex Factors

A total of 934 induced abortuses of middle-aged pregnant women (35-48 years old) were chromosomally surveyed. The mean gestational age was 7.6 +/- 2.0 (S.D.) weeks after the first day of the last menstrual period, and the mean maternal age was 39.6 +/- 2.7 (S.D.) years. There was a high incidence of...