Luteal support will be the administration of medication, usually progesterone, progestins, hCG, or GnRH agonists, and often accompanied by estradiol, to boost the success rate of implantation and early embryogenesis, thereby complementing and/or supporting the functionality of the corpus luteum. A Cochrane evaluate found that hCG or progesterone offered in https://www.alpersismanoglu.com/en/embryo-freezing-process/