By Victoria Gill Science reporter, BBC Nature
As for many mothers-to-be, the late stages of pregnancy can be extremely awkward for dolphins, say scientists.
Gliding along beneath the ocean, it might seem that these streamlined marine mammals are unaffected by the slight swell of carrying a baby.
But a study has revealed that the females’ top swimming speed is almost halved when they are close to giving birth.
The findings are published in the Journal of Experimental Biology
According to Dr. William Sellers, University of Manchester, “Even a small change in a dolphin’s shape affects their streamlining very badly”
To read more see: http://www.bbc.co.uk/nature/15859869