What is the purpose of progesterone supplementation after embryo transfer in IVF?
Correct Answer: B
Rationale: The correct answer is B: To support the uterine lining and enhance implantation success. Progesterone supplementation is crucial after embryo transfer in IVF because it helps prepare the uterine lining for implantation and provides hormonal support to maintain a pregnancy. Progesterone is essential for the embryo to implant and for the early stages of pregnancy to progress. Therefore, the purpose of progesterone supplementation is to enhance the chances of successful implantation and support early pregnancy development.
Choices A, C, and D are incorrect:
A: To induce ovulation for the next cycle - Progesterone supplementation is not used to induce ovulation after embryo transfer in IVF. Ovulation should have already occurred before the embryo transfer.
C: To suppress natural hormone levels for better control - Progesterone supplementation is not used to suppress hormone levels but rather to support hormonal balance during the implantation phase.
D: To eliminate the risk of multiple pregnancies - Progesterone