The prerequisite of fertilization includes

A.Ovum maturation, sperm maturation,sperm capacitation

B.The number and quality of sperm can make 300-500 strongest sperm reach the ampulla portion

C.Meet within 48h after ovulation

D.Meet within 24h after ovulation

正确答案：Ovum maturation, sperm maturation,sperm capacitation；The number and quality of sperm can make 300-500 strongest sperm reach the ampulla portion；Meet within 24h after ovulation