i am looking for information on the risks of exposure to chemicals
used in application of artificial nails and manicure care. 
Specifically related to pregnancy

Hi cldf,

As you are probably aware, a large number of chemicals may be used in
a nail salon.  You are right to wonder what those chemicals may do to
you and/or an unborn baby.  Two states have published reports on the
substances used for artificial nails/manicures.  I have listed them
below, along with another report (from Canada) about a specific
chemical sometimes used for artificial nails.

Commonwealth of Massachusetts Division of Occupational Safety:
Artificial Fingernails and Indoor Quality
http://www.vh.org/adult/provider/pathology/CLIA/DrugMonitoring/04Screening.html
"Reproductive System 
Most of the chemicals used in artificial nails have not been
adequately tested to see if they can harm a developing baby or affect
the fertility of men or women. Organic solvents are used in artificial
nail products and can be absorbed into the body by inhalation or by
skin contact. This type of chemical can cause birth defects when a
pregnant woman is exposed to them. They can also harm the nursing
infant. Avoid the use of acetonitrile and the glycol ethers if at all
possible."

Artificial Fingernail Products: A HESIS Guide to Chemical Exposures in
the Nail Salon
http://www.dhs.ca.gov/ohb/HESIS/artnails.htm
This is a publication of the California Department of Health Services.
 Particularly see the section "HOW CAN THE CHEMICALS IN ARTIFICIAL
NAIL PRODUCTS ENTER AND AFFECT YOUR BODY?", subsection Reproductive
System.

Workplace Health & Safety Chemical Hazards: Use of Methlyl
Methacrylate Products for Fingernail Sculpting
http://www3.gov.ab.ca/hre/whs/publications/pdf/ch062.pdf
This is a specific health bulletin for MMA, a common chemical used for
artificial fingernails.

I found these sites (and many others, many of which aren't useful) by
doing a search on the Google engine using the words "manicurist
chemicals pregnant exposure".  Please let me know if I can assist you
further in this question.

Librariankt