Researchers discovered a molecular timer that gets activated in the first days of pregnancy and influences when mice give ...

A normal pregnancy lasts about 40 weeks after the first day of the last period (38 weeks after fertilization). The danger of preterm labor is that it will lead to the birth of a baby that has not ...

Mrs. Accardo, who was 38 weeks pregnant, went into labor while her sister was rushing her to the hospital. Three CHP officers arrived within minutes and helped her through her contractions on the ...