In: Biology
Cigarettes contain dangerous chemicals, including nicotine, carbon monoxide, and tar. Smoking significantly increases the risk of pregnancy complications, some of which can be fatal for the mother or the baby.
Smoking can cause fertility problems. Both male and female smokers are about twice as likely to have issues with fertility compared to nonsmokers.
The unexpected loss of a pregnancy is seen in many case. Miscarriages occurs mainly in the first three months of pregnancy.
Nicotine can cause contractions in the fallopian tubes. These contractions can prevent an embryo from passing through and can result in ectopic pregnancy.
The placenta is a structure that forms during pregnancy to provide the fetus with nutrients and oxygen. Smoking is a major risk factor for placenta abruption. This is a condition in which the placenta separates from the uterus before childbirth. Placenta abruption can cause severe bleeding and threaten the life of both the mother and the baby.
Smoking during pregnancy can cause preterm birth. There are numerous health risks associated with a preterm birth. These can include:
Smoking can also cause babies to be born with a low birth weight.
Smoking during pregnancy raises the risk of baby being born with birth defects. The most common types of problems are congenital heart defects. Other include cleft lip and cleft palate.