In vitro fertilisation (IVF) success rates decline with age and most clinics won't treat patients over 45.

The following statistics detail the chances of IVF succeeding are provided by the Human Fertilisation and Embryology Authority

• 29.6% for women under 35

• 23.6% for women aged 35-37

• 18.2% for women aged 38-39

• 10.0% for women aged 40-42

• 3.2% for women aged 43-44

• 0.8% for women aged over 44