Progesterone is the main progesterone in women’s body, mainly secreted by the corpus luteum of the ovary, insufficient progesterone level generally indicates that the endocrine function of the ovary is not good, the reasons why women with low progesterone are not easy to get pregnant mainly include the following: 1, progesterone level is too low, seen in women with poor ovarian endocrine function, when the ovarian endocrine function is not good at the same time, accompanied by the development, maturation and ovulation dysfunction of the follicle, because the ovary When the level of progesterone in the body is insufficient, it cannot make the endometrium in the proliferative stage change in the secretory stage, and when the fertilized egg is laid, the endometrium is not suitable for the laying and development of the fertilized egg, which will lead to the failure of the fertilized egg to be laid and naturally cannot be successfully conceived.