“…Triglycerides showed the greatest percentage increase during pregnancy. For the statistical calculations of the triglyceride values, the logarithmic conversion was used, since it has been found in non-pregnant individuals that the absolute values of triglycerides show a skew distribution which becomes more symmetrical after conversion to the logarithm (15,24,31). I t is not certain that such a log-normal distribution is found also during every stage of the pregnancy, and the present material does not allow of conclusions on this question.…”