EVERYDAY SCIENCE

Detailed explanation-1: -A baby girl’s heart rate is usually faster than a boy’s, but only after the onset of labor. There’s no difference between fetal heart rates for boys and girls, but the rate does vary with the age of the fetus. By approximately the fifth week of pregnancy, the fetal heart rate is near the mother’s-around 80 to 85 BPM.

Detailed explanation-2: -The evidence shows there is no difference in the average of female or male fetal heart rates. The baby’s heart rate also changes throughout the pregnancy with higher heart rates noted at the beginning of pregnancy.” Dr.

Detailed explanation-3: -Variations in a child’s heart rate is normal. Generally, though, a child’s heart rates slows as they get older. For example, a heart rate of 130 to 150 beats per minute is normal for a newborn infant, but it would be considered fast for a school age child.