If your baby is two weeks too small for full-term, there is usually no major problem if there is no abnormality in the prenatal checkups. Full-term babies two weeks small may be irregular menstrual cycle, pregnant mothers intake of nutrients is insufficient, placenta or umbilical cord abnormalities, pregnant mothers pregnant with multiples, and so on. If the preliminary examinations, Down’s syndrome, non-invasive DNA, systematic ultrasound and other examinations do not see special, if the detection of small fetus is due to malnutrition, can be improved through the nutritional intake of pregnant women, eat more high-protein food to ensure the normal development of the fetus. Poor lifestyle habits of pregnant women also have an impact, pregnant women should maintain a regular routine. If necessary, under the guidance of a doctor, you can use some drugs to promote the exchange of nutrients between the fetus and the placenta, such as heparin and so on. Pregnant women need to maintain a good state of mind, regular obstetric examinations, and actively cooperate with the doctor’s examination.