1 The Centers for Disease Control and Prevention (CDC) recommends 2 doses of quadrivalent meningococcal conjugate vaccine for adolescents 11 through 18 years of age.  The first dose should be given at 11 or 12 years of age, followed by a booster dose at age 16.
A prostaglandin is a type of lipid that helps regulate an animal's body. Unlike hormones, prostaglandins generally affect an area of the body near where they are produced whi â¦ ch is why they are produced in many different places throughout the body. muhammad afzal 422,269 Contributions
These are groups of hormones with estradiol being the most important of the estrogens, and progesterone being the most abundant progestogen. Broadly estrogen is responsible for the growth and development of tissues while progesterone increases secretory functioning of specific tissues.