Dual GIP/GLP-1 receptor agonist in women with obesity for frozen embryo transfer: pragmatic, multicentre, randomised controlled trial

INTERVENTION: Control Group:diet and exercise intervention;GIP/GLP‐1 Group:dual GIP/GLP‐1 receptor agonist; CONDITION: obesity PRIMARY OUTCOME: Good birth outcome; SECONDARY OUTCOME: Clinical pregnancy;Pregnancy loss;Complications during pregnancy and childbirth;Biochemical pregnancy;Gestational Weight Gain;Neonatal complications, birth weight and birth defects;Live birth; INCLUSION CRITERIA: 1.Women aged 20‐40 years; 2.BMI = 28kg/m2; 3.Women who intend to undergo frozen‐thawed embryo transfer; 4.At least one embryo available for transfer; 5.Be capable of giving informed consent;