Pregnant women, who is 4 months pregnant asks the nurse how much and what type of exercise she should get during pregnancy. How should nurse counsel her?
1
"Exercise to raise the heart rate above 140 beats/minute for 20 minutes daily"
2
"Perform gentle back-lying exercises for 30 minutes daily".
3
"Try high-intensity aerobics, but limit sessions to 15 minutes daily."
4
"Walk briskly for 10 to 15 minutes daily and gradually increase this time".