11.   Even at low levels, lead has been shown to impair fetal development, cause learning disabilities in children and lead to miscarriages in pregnant women.

12.   FDA officials say that ultrasound can generate heat in fetal tissue, create microscopic bubbles and cause vibrations, all of which might affect fetal development.

13.   Huxley saw a link between alcohol and abnormal fetal development.

14.   Is human consciousness something that only emerges after birth, or is it like a dimmer switch that comes on gradually during fetal development?

15.   It is also affected by changes that occur during fetal development in the womb.

16.   Lead can impair fetal development and cause brain damage in children.

17.   Neuroscientists believe that the seeds of schizophrenia are often sown during fetal development, when certain nerve cells migrate to the wrong areas as the brain is taking shape.

18.   No one would quarrel that an attack on a pregnant woman that results in a miscarriage or prevents normal fetal development is a tragedy.

19.   Profet said her hypothesis is backed up by an extensive patchwork of research in such diverse fields as plant toxicology and fetal development.

20.   Swaab proposes that the sexual variances in the size of the bed nucleus arise during fetal development, and thus are essentially built in.