If you are not exposed to toxic and hazardous chemical substances such as formaldehyde during your work in a chemical laboratory, a normal pregnancy is sufficient; otherwise, you should take regular pregnancy tests and treat any abnormalities you find. If you are not exposed to toxic and hazardous chemical substances such as formaldehyde and toluene in the chemical laboratory, it will not cause adverse effects on the fetus and a normal pregnancy is sufficient. If you are frequently exposed to these toxic and hazardous substances during your work in a chemical laboratory, it may adversely affect the growth and development of the fetus, and you should do a good job of all pregnancy tests during your pregnancy, and if the fetus develops well, you can continue your pregnancy; if you find that the fetus has stopped developing or has serious deformities, you can terminate your pregnancy if necessary. If you are pregnant in a chemical laboratory, it is recommended that you seek medical attention in a timely manner, and under the guidance of a doctor, complete the relevant examinations to determine the growth and development of the fetus.