[Acute hydramnios and twin pregnancy. Apropos of 5 cases]

Five cases of acute hydramnios occurring in twin pregnancies are reported here. The obstetrical management is discussed in the light of our results and the facts given in the literature. It would seem that abdominal route amniocentesis drawing off quantities of liquor is a simple manoeuvre which can be repeated and work so that the inexorable progress to late abortion or premature labour is avoided.