ArticleAmerican journal of public health1985
Does participation in prenatal courses lead to heavier babies?
Article in American journal of public health, 1985. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
3 citing papers in PubMed, 16 citations in OpenAlex.
- Comparing CenteringPregnancy® to standard prenatal care plus prenatal education.BMC pregnancy and childbirth · 2013Article
- Paradox as paradigm--the health outcomes of Mexican Americans.American journal of public health · 1996Article
- Low birthweight at term and the timing of fetal exposure to maternal smoking.American journal of public health · 1994Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In a prospective epidemiologic survey of 1,676 primiparous women delivering in four Montreal hospitals during an eight-month period, we studied the impact of prenatal courses on birthweight, maternal weight gain, and cigarette smoking. Women who participated in prenatal courses were older and of higher socioeconomic status and were less likely to be smokers than non-participants. After adjustment for these differences, newborns of course participants had similar mean birthweights compared to those of non-participants (3286 grams vs 3271 grams), and the difference for maternal weight gain was substantially reduced. Most of the reduction in cigarette consumption occurred during the first three months of pregnancy, even among later participants, suggesting that something other than prenatal courses influenced cigarette smoking reduction in course participants. We conclude that as far as the birthweight objective is concerned, the format and content of prenatal courses (as currently constituted in the Montreal region) require re-examination, and new ideas and interventions need to be developed and tested.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.