With a small gestational sac and low progesterone value at seven weeks of pregnancy, if the embryo survives, bed rest, enhanced nutrition and oral or intramuscular progesterone can be administered. If the embryo does not survive, then the uterus needs to be cleared. The 7th week of pregnancy belongs to the early stage of pregnancy, at this time the embryo development is not stable, pregnant women should pay attention to bed rest. Low progesterone can easily lead to miscarriage, at this time pregnant women need to stay in bed strictly. At the same time, the early stage of embryonic development, the demand for nutrition is relatively large, pregnant women should pay attention to nutritional supplementation. Adequate nutrition can promote the development of the embryo. You can also follow the doctor’s instructions oral or intramuscular injection of progesterone, which can inhibit the contraction of uterine smooth muscle, to achieve the role of fetal preservation. However, if the gestational sac is small and the progesterone value is low at seven weeks of pregnancy and the embryo is not viable, a clearance procedure is needed to eliminate the intrauterine embryonic tissue. Women with kidney disease should be cautious about using progesterone. Progesterone is contraindicated in women with severe liver damage. The use of progesterone may cause nausea, dizziness, headache and other adverse reactions in women, should be careful to use under the guidance of a doctor. If you are pregnant for seven weeks with a small gestational sac and low progesterone, you should actively consult a doctor to determine the cause of the disease, strengthen nutrition, pay attention to rest, and use progesterone under the guidance of a doctor if necessary.