No local birth sex ratio changes following the August 2019 shootings in Montgomery county, Ohio and in El Paso county, Texas

Conclusion It has been postulated that male foetal loss in pregnant women during stressful periods may occur in accordance with the Trivers-Willard Hypothesis. Several studies have found significant effects after terrorist attacks in the United States (as well as in other countries) but this study failed to do so. This may be due to several reasons including underpowered datasets and the possibility that populations may be becoming relatively immured to these events.
Source: Medical Principles and Practice - Category: Internal Medicine Source Type: research