The women's 4 × 100 metre medley relay competition of the swimming events at the 1973 World Aquatics Championships took place on September 4.
Records.
Prior to the competition, the existing world and championship records were as follows.
The following records were established during the competition:
Results.
Heats.
13 teams participated in 2 heats.
Final.
The results of the final are below.
References.
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