Effect of GH on the Blastocyst Euploid Rate in AMA Patients

Inclusion Criteria: * Age ≥38; intended to undergo PGT-A * BMI in the normal range (18.50-24.0kg/m2) * Normal semen analysis for the male partner Exclusion Criteria: * Endometriosis grade 3 or higher, untreat hydrosalpinx * Women with a uterine cavity abnormality, such as a uterine congenital malformation (uterus uni-cornate, bicornate, or duplex); untreated uterine septum, adenomyosis, submucous myoma, or endo-metrial polyp(s) * Women who are indicated and planned to undergo PGT-SR (Preimplantation genetic testing for structural rearrangement) or PGT-M (Preimplantation genetic testing for monogenic disorder), for example, parental abnormal karyo-type or diagnosed with monogenic disease * History of endocrine disorder, autoimmune diseases or diagnosed thrombophilia * History of GH supplementation in the previous IVF treatment or taking other supplementary drugs used during stimulation; patients with absolute or relative contraindications to GH treatment, including active malignancy or history of cancer, diabetic retinopathy, diabetes mellitus, and chronic kidney disease.