A pregnant woman has shared a video on TikTok showing exactly how the body's organs move and shift during pregnancy - and it's left people feeling both amazed and a little freaked out.

This is the cause of the obvious pregnancy bump, but just expanding outward isn't enough — her internal organs are also put under a significant amount of pressure, which can cause some discomfort.

During pregnancy, the body undergoes significant changes to accommodate the growing baby. While the external changes, such as the baby bump, are well-known, the internal changes are equally ...

This is the cause of the obvious pregnancy bump, but just expanding outward isn't enough — her internal organs are also put under a significant amount of pressure, which can cause some discomfort.

The four-second clip, that is being shared again on social media after originally being uploaded in 2015, shows how a woman's internal organs shift as her baby grows.

A pregnant woman's blood stream contains not only her own cells, but a small number of her child's, as well, and some of them remain in her internal organs long after the baby is born ...

If you've ever wondered why pregnant women always talk about needing to use the toilet so much, wonder no more. This amazing animation shows exactly what happens to a woman's organs as her baby ...

The reproductive system refers to the organs involved in producing children. Learn more about the male and female reproductive system here.

This is the cause of the obvious pregnancy bump, but just expanding outward isn't enough — her internal organs are also put under a significant amount of pressure, which can cause some discomfort.

The video shows how the body's internal organs shift and adapt to make room for the growing baby, a process that is both fascinating and remarkable.