While there is limited research on the safety of taking krill oil during pregnancy, it is generally recommended to exercise caution and consult with a healthcare professional before making any decisions. Krill oil contains omega-3 fatty acids, which are beneficial for brain development in infants. However, some concerns have been raised about potential contaminants in certain brands of krill oil. It's crucial to choose a reputable brand that undergoes rigorous testing for purity and quality. Additionally, individual factors such as pre-existing medical conditions or allergies should be taken into consideration when determining whether or not to take krill oil during pregnancy. Ultimately, consulting with your healthcare provider will help you make an informed decision based on your specific circumstances and needs.