AQA GCSE Combined Science Trilogy · 8464
Specification 4.5.3.4, 4.5.3.5 · Paper 2
Revise: Contraception MethodsThe fertilised egg divides to form an early embryo, which can become embedded in the lining of the uterus. This is implantation.
- Revise: Hormonal Infertility Treatments
The attachment and embedding of an embryo in the lining of the uterus.