Primal Health Databank: Study
| Entry No: | 0001 |
| Title: | Long term effects of vacuum and forceps deliveries |
| Author(s): | Seidman DS, Laor A, Gale R, et al. |
| Reference: | Lancet 1991; 337: 1583-85 |
| Place of Study: | Israel |
| Abstract: | Study of 52,282 infants born in Jerusalem between 1964 and 1972. Study of intelligence test and medical examination at 17 years old by the Israeli Forces draft board. Among the 937 born by forceps or vacuum the intelligence scores were significantly higher (p<0.0001) than those of the spontaneous delivery group. After adjustment for confounding factors the differences were less obvious. Length of maternal education was positively correlated with forceps and vacuum delivery. It is possible that women with high IQ have a tendency towards a more difficult birth and a tendency to forceps deliveries. This may explain the crude data. |
| Keyword(s): | forceps delivery, intellectual development, IQ, vacuum, ventouse |
| Discussion: | There are at least 16 studies suggesting that the average IQ of a first born is higher than the IQ of the siblings. It is noticeable that forceps and ventouse deliveries are more common among primigravida. |
| See Also: | 0003, 0002 |
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