Final answer:
A pregnant woman at risk for toxoplasmosis because the parasite can cross the placenta and infect the fetus.
Step-by-step explanation:
Toxoplasmosis is a disease caused by a protozoan called Toxoplasma gondii. It can pose a risk to pregnant women because the tachyzoites, or the active form of the parasite, can cross the placenta and infect the fetus. The severity of the infection depends on factors such as the mother's disease, damage to the placenta, gestational age of the fetus, and the virulence of the parasite.
Congenital toxoplasmosis can result in fetal loss, premature birth, and damage to the central nervous system. Pregnant women are advised to be cautious in handling raw meat, gardening, and dealing with pet cats as these can be sources of the parasite. Diagnosis of toxoplasmosis during pregnancy is usually done through serology or molecular methods.
So therefore toxoplasmosis can be risky for pregnant women as the parasite can cross the placenta and infect the fetus. The severity of the infection depends on various factors, and it can result in fetal loss or damage to the central nervous system. Pregnant women are advised to take precautions in handling certain substances and pets.