Test tubes mixing frozen sperm and the sluggish egg of a dead woman?

Instead of mixing sperm and eggs together in the laboratory, they're immediately transferred to one of the woman's fallopian tubes so fertilisation takes place inside the body.

Human embryos are created by mixing eggs and sperm in fertility clinics.

Doctors there had mixed human eggs and sperm to make a variety of embryos with different pedigrees, then froze them.

They said they were about as efficient in cloning as fertility clinics are in creating human babies by mixing sperm and eggs in the laboratory.

Zuckerman would have taken forever mixing eggs and sperm in her little dishes.

Zuckerman experimented with mixing eggs and sperm to derive embryonic stem cells.

With I.V.F., scientists mix eggs and sperm in a test tube hoping that nature will take its course, so to speak, outside of the woman's body.

You could mix and match your fabricated eggs and sperm to generate boys and girls alike.

In one set of experiments, the scientists fertilized about 20 monkey eggs in vitro, mixing sperm and eggs in a petri dish.