3D and 4D ultrasounds are optional. They're not standard prenatal tests. Doctors often give them as a courtesy to women who want them. Not all doctors have access to 3D or 4D ultrasounds. Also ...

More information: Jing-Ping Lin et al, 4D marmoset brain map reveals MRI and molecular signatures for onset of multiple ...

'4D ultrasounds' may test abortion laws. Share ... Wed 10 Oct 2007 Wednesday 10 October 2007 Wed 10 Oct 2007 at 5:04am. The 4D images may boost the theory that the foetus is sentient, ...

4D ultrasounds may test abortion laws. Dani Cooper. ABC Science Online. Wednesday, 10 October 2007. Video-like 4D ultrasounds are changing the abortion debate, says one researcher (Image: iStockphoto) ...