Weathering the Storm: Hurricanes and Birth Outcomes

50 Pages Posted: 12 May 2012 Last revised: 17 May 2021

See all articles by Janet Currie

Janet Currie

Princeton University; National Bureau of Economic Research (NBER); Institute for the Study of Labor (IZA)

Maya Rossin-Slater

Columbia University

Date Written: May 2012


A growing literature suggests that stressful events in pregnancy can have negative effects on birth outcomes. Some of the estimates in this literature may be affected by small samples, omitted variables, endogenous mobility in response to disasters, and errors in the measurement of gestation, as well as by a mechanical correlation between longer gestation and the probability of having been exposed. We use millions of individual birth records to examine the effects of exposure to hurricanes during pregnancy. The data allow us to measure outcomes precisely and to follow the same mother over time; we also suggest estimation methods that correct for omitted unobserved fixed characteristics of the mother, endogenous moving in response to storms, and the above mentioned correlation between gestation length and exposure. We find that exposure to a hurricane during pregnancy increases the probability of complications of labor and delivery, and of abnormal conditions of the newborn such as being on a ventilator more than 30 minutes and meconium aspiration syndrome. Although we do not directly measure stress, our results are supportive of the idea that stressful events in pregnancy can damage the health of the fetus. However our results suggest that the effects may be subtle and not readily apparent in terms of widely-used metrics such as birth weight and gestation.

Suggested Citation

Currie, Janet and Rossin-Slater, Maya, Weathering the Storm: Hurricanes and Birth Outcomes (May 2012). NBER Working Paper No. w18070, Available at SSRN:

Janet Currie (Contact Author)

Princeton University ( email )

Princeton, NJ 08544-1021
United States
6092587393 (Phone)


National Bureau of Economic Research (NBER) ( email )

1050 Massachusetts Avenue
Cambridge, MA 02138
United States

Institute for the Study of Labor (IZA)

P.O. Box 7240
Bonn, D-53072

Maya Rossin-Slater

Columbia University ( email )

1022 International Affairs Bldg
420 West 118th Street
New York, NY 10027
United States

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