Does adding growth hormone boost success in IVF?

A Cochrane review finds a benefit for women with poor ovarian response but the evidence is weak, authors say

Use of adjunctive growth hormone in IVF may improve the pregnancy and live birth rates for women responding poorly to ovarian stimulation, according to a Cochrane review.

The authors caution, however, the evidence for these findings is of ‘low’ or ‘very low’ certainty and larger randomised controlled trials are needed.

Their search of the literature turned up 14 randomised trials including a total of 1272 women considered poor responders according to individual trial definitions —