The GSCE syllabus specifically mentions embryo research.

Cross reference should be made between this topic and cloning, conception, matters of life.

Click on the links below to find out more. You will have to speed read the articles. You only need to understand what the problem is not learn lots of facts.

This is all about learning how to research.

Fetal Pain

Fetal Tissues in Transplantation

Head to Head - Prenatal Screening

Prenatal Testing - an ethical problem?

Pre-natal Testing for All?

Conjoined Twins