When the presentation of the foetus changes from day to day the lie is said to be unstable.
It is not a sinister sign in the grand multip - the uterus is relatively flaccid and able to accommodate a lot of movement of the fetus.
In other women it ought to be investigated as a possible sign of placenta praevia - the low lying placenta preventing engagement of the fetal head.
Other possible causes of an unstable lie include:
Add information to this page that would be handy to have on hand during a consultation, such as a web address or phone number. This information will always be displayed when you visit this page