Spontaneous abortion rates, gravidity and neural tube defects
- PMID: 399462
- DOI: 10.1016/0378-3782(78)90032-4
Spontaneous abortion rates, gravidity and neural tube defects
Abstract
Kline and her co-workers [20, 21] suggest that spontaneous abortions show no overall gravidity effect. However, spontaneous abortions seem to show a negative gravidity effect in some sibships (those containing an infant affected by anencephaly or spina bifida) [22]. It is inferred that there is a heterogeneity among spontaneous abortion sibships, and that there are other sibships in which spontaneous abortions show a positive gravidity effect (perhaps as a result of e.g. iso-immunization).
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