Newly renovated office mainly contains formaldehyde, formaldehyde for pregnant women and babies will have an impact, so the newly renovated office, it is recommended to ventilate at least 3 months above the pregnant women and then enter. Because only after the renovation is the highest concentration of formaldehyde, this time is the greatest damage to the body, ventilation for about 3 months, the vast majority of formaldehyde has evaporated, you can go to work inside, but it is not recommended to stay inside for a long time, appropriate to go out to ventilate. Pregnant women in pregnancy, to go less to those places that have only just finished renovation, because formaldehyde has increased the risk of baby development deformities, but also increase the risk of miscarriage, so in pregnancy or to pay proper attention to avoid causing accidents.