LARGER THREAD SIZES THAT GIVE A BOLDER TOPSTITCH APPEARANCE. Tex Size = Gram Weight Per 1000 meters of undyed yarn. See the World Wide Size Comparison Chart for yarn size conversion. Years ago the most common size of thread used for topstitching denim was a Tex 60 or. 80 or possibly Tex 105 size threads.
Fetal Heart Rate Facts. A normal heart rate for an unborn baby is between 120 and 160 beats per minute, according to Dr. Larissa Hirsch writing for the KidsHealth website. According to myth, a woman is likely having a girl if her baby's heart rate is 140 bpm or faster, and a heart rate lower than 140 bpm signals a boy.
Normal Pulse Rate for Infants. The average pulse of an infant at birth is 140 beats per minute. A normal pulse rate for children under one year old ranges from 90 to 170 beats per minute. This decreases slightly throughout the child's first year, but pulse rates up to 170 beats per minute are considered normal.