Advances in medical technology mean a foetus can now survive at an earlier stage than in previous eras.
The Past is Before Us - feminism in action since the 1960s (1989)
The 1980s also saw a proliferation of new medical technology (MRI, ultrasound, etc.).
An Introduction to Community Health (1995)
As a doctor, where do you see the role of medical technology in intervening for life and death?
Christianity Today (2000)