1, it is generally recommended to eat bird's nest in the middle of pregnancy, which is more appropriate, that is, between 3 and 7 months of pregnancy; Because this period is a critical period for fetal growth and development, it needs the most nutrients.

2. If you eat bird's nest in the early pregnancy, it is easy to cause nausea and vomiting due to the heavy pregnancy reaction in the early pregnancy, and constipation and flatulence due to the increase of uterus volume in the late pregnancy. Eating bird's nest at this time is not conducive to gastrointestinal digestion, so it is best to eat bird's nest in the middle pregnancy, that is, about 3-7 months pregnant.