Table 2.

Basic data of fetal heart rate monitoring.

Cycle	Average age	Fetal heart rate monitoring	Abnormal fetal heart rate monitoring	The fetal heart rate was not abnormal
32 weeks	28.9	1 time/2 weeks	10	50
34 weeks		1 time/2 weeks	25	30
36 weeks		1 time/2 weeks	20	20
38 weeks		1 time/week	15	50
40 weeks		1 time/week	10	20
42 weeks		1 time/week	10	15
44 weeks		1 time/week	10	15