In general support of ideal GH levels (cjc/ipa) in older potential mothers would conceptually be beneficial to overall health celluar efficiency, receptor optimization etc. It does appear in my clinical experience That optimal endogenous sex hormone levels are maintained longer in men and women with consistent use of GH support. see image. Growth hormone. Most of the clinical literature I reviewed was around Growth hormone replacement to augment IVF not natural fertility. Much of infertility is auto/immune, inflammatory so addressing root causes there along with immune modulation with thymosin alpha -1 would make sense. (. it is pregnancy category C as commercial ZADAXIN).