Changes in DNA methylation during pregnancy and after delivery

Peripheral whole blood DNA methylation profiles of pregnant women with normal pregnancy from the 10th-14th weeks of gestation (average at the 10th week), 24th-28th weeks of gestation (average at the 25th week), 38th-40th weeks of gestation (average at the 38th week) and after delivery status (average at the 10th month after delivery) Comparing the dynamic changes in whole blood DNA methylation from the four pregnany status of 10 mothers with normal pregnancies.