Healthcare Asthma risk in children elevated by unplanned C-section delivery, says study Updated : October 18, 2019 06:07 PM IST In terms of frequency of practice, the Cesarean section is the top-ranking major surgery in the world. A higher percentage of unplanned CS, also called the emergency C-section, occurred just before public holidays or weekends. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.