After spending approximately 40 weeks inside the womb, the average newborn weighs 7 1/2 pounds. Most babies weigh between 5 1/2 and 10 pounds. The average length of a newborn is 20 inches (50 centimeters), with a range of 18 to 22 inches. The average head circumference (the distance around the head) is 14 inches (35 centimeters).
Lactobacillus and Bifidobacterium are the most common probiotic bacteria. The Lactobacillus genus has 18 different bacteria strains, while the Bifidobacterium genus consists of eight strains.
Bifidobacterium, along with Lactobacillus, are also some of the most well-known probiotics and are an important part of your flora. These good bacteria are lactic-acid producing bacteria (LAB), just like Lactobacillus, and they both produce vitamins, bacteriocins (antibacterial chemicals) and antibiotic-like substances.ifidobacteria)â The Shy Probiotic Lactic-Acid Bacteria Superstars. Bifidobacterium are the shy probiotic LAB (lactic-acid bacteria) superstars. Although you need more than one type of probiotic microbe to be healthy, these probiotic microbes play critical roles in your health.