May 4 (Reuters) - Canadian retailer Loblaw Cos Ltd missed Wall Street estimates for first-quarter revenue on Wednesday, signaling that pandemic-led demand for groceries and drugs were waning from its peak.

Total revenue rose to C$12.26 billion ($9.57 billion) in the three months ended March 26, from C$11.87 billion a year earlier, missing analysts' estimates of C$12.36 billion, according to IBES data from Refinitiv. ($1 = 1.2808 Canadian dollars) (Reporting by Ananya Mariam Rajesh in Bengaluru; Editing by Rashmi Aich)