The deliberate introduction of sperm into a female's cervix or uterine cavity for the purpose of achieving a pregnancy is （）

A.In Vitro Fertilization and Embryo Transfer (IVF-ET)

B.Artificial insemination（AI）

C.Preimplantation genetic diagnosis (PGD)

D.Intracytoplasmic sperm injection(ICSI)

正确答案：Artificial insemination（AI）