We may be more familiar with some of the luteinizing hormone, know that after pregnancy need to check the luteinizing hormone, if the luteinizing hormone is insufficient may cause pregnant women to miscarry, and also know that luteinizing hormone, that is what we usually call progesterone, which is needed to maintain a normal pregnancy, once the lack of is the need to supplement in a timely manner. But for this corpus luteum, it is relatively unfamiliar, and do not know what consequences of corpus luteum deficiency. The corpus luteum is a vascular gland-like structure that is rapidly transformed into a follicle after ovulation. If it is not fertilized, it is called the menstrual corpus luteum, and if it is fertilized, it is the gestational corpus luteum. The lack of corpus luteum will affect the function of the corpus luteum, if the corpus luteum insufficiency will lead to endometrial secretion, but also cause the pregnant egg to bed difficult or early pregnancy abortion. Insufficient corpus luteum function is the main factor leading to infertility, visible corpus luteum for the importance of women’s body, then we usually how to know the corpus luteum enough or not? Need to start from the following aspects: First, luteal insufficiency is usually manifested as a shortened menstrual cycle, usually in the cycle less than 28 days. Secondly, there will be a small amount of secretions similar to menstrual blood in the days before menstruation, and then the official menstruation. Third, the basal body temperature is biphasic but rises or falls in a stepwise fashion, and the luteal phase is shortened to 10 to 12 days. Fourth, luteal insufficiency often leads to infertility, and even if pregnancy occurs, early miscarriage is likely to occur. For patients without reproductive requirements, luteal body deficiency, as long as it is not too serious, and do not need to regulate the treatment, but for patients with reproductive requirements, you need to be sure to regulate the treatment. You can consider oral or injectable progesterone supplementation, but can not be used without authorization, blind use will have side effects, must be used under the guidance of a doctor.