Screening tests only calculate probabilities. You need diagnostic testing to know what is actually happening.

By engaging in a proactive, well-informed approach, you are doing everything possible to prepare for your baby's arrival. References

The risks associated with mosaicism vary depending on the type and level of mosaicism. Some potential risks include:

Sarah and Alex were taken aback. They had been so focused on ensuring a healthy pregnancy that this news felt like a curveball. Mosaicism refers to a condition where there is a mixture of normal and abnormal cells in the body. In the context of pregnancy, it can sometimes resolve on its own as the pregnancy progresses, but in other cases, it can lead to concerns about the baby's health.

To truly understand the implications, we must first understand the origin. Most chromosomal errors (like Down syndrome) arise from problems during the formation of the egg or sperm—a process called meiosis. Mosaicism, however, typically arises later, after fertilization, during the rapid cell divisions of mitosis in the early embryo.