• Garima Chaudhary
• Amit Sehgal

Abstract: Teratogen is a substance or process that can harm or cause defect in fetus during pregnancy time. There are various types of teratogens that causes defects in fetus during pregnancy. They can be different type of chemicals, physical agents, metabolic conditions or different infections. They can cause problems like preterm labors, spontaneous abortions, or miscarriages. There are different factors which influence the working of teratogens. These factors include timing, genetic variation and type of exposure. Various studies have been made to study the effects and working of teratogens, but till date the exact mechanism of action of most teratogens are unknown.

Key Words: Metabolic conditions, Preterm Labors, Spontaneous abortions, Genetic variability

"Teratogens", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.6, Issue 1, page no.305-308, January 2019, Available :http://www.jetir.org/papers/JETIRDW06050.pdf

"Teratogens", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.6, Issue 1, page no. pp305-308, January 2019, Available at : http://www.jetir.org/papers/JETIRDW06050.pdf