Gynaecology & Obstetrics Which of the following is NOT related with fertilization: A Sperm crosses corona radiata B Implantation after 6 days C Zona pellucida facilitation by hyaluronidase D Zona reaction attracts the sperms 💡 Explanation Which of the following is NOT related with fertilization: ✓ Correct Answer: D. Zona reaction attracts the sperms