There is no accurate data on the chances that a baby with low amniotic fluid at 27 weeks and slow development can be kept, there are some individual differences, so it is recommended to seek medical attention as early as possible. 1. Low amniotic fluid: first of all, it is necessary to receive ultrasound examination to exclude the development of fetal kidney system malformation, secondly, the placental function is not good, the mother does not eat enough and the amount of fluid is not enough and other factors will affect the amniotic fluid, you need to actively replenish the nutrients, and if necessary, need to receive nutritional supportive treatment. 2. Developmental delay: there are many causes of fetal developmental delay, such as malnutrition, maternal illness, smoking, alcoholism, and intrauterine infections, etc., you need to undergo relevant examinations to eliminate the causes of the causes, to rule out the possibility of fetal malformations, and then pay attention to rest, and active supplementation of nutritional therapy. During pregnancy, there are a lot of things to pay attention to, it is necessary to strictly follow the doctor’s instructions to do a good job in each period of labor and delivery.