The First 24 Hours: What Happens After Fertilization
The First 24 Hours: What Happens After Fertilization | HowLifeBuilds By Rajneesh Kumar Thakur · Published October 17, 2026 · About 16 minutes to read · Category: Embryology The moment before it all begins — one sperm approaching the human egg, surrounded by its protective cumulus layer. The short answer Within 24 hours of a…