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
Prostaglandins are known to regulate the female reproductive system, and are involved in the control of ovulation, the menstrual cycle and the induction of labour. Indeed, manufactured forms of prostaglandins - prostaglandin E 2 and F 2 can be used to induce (kick-start) labour. How are prostaglandins controlled? The chemical reaction that makes the prostaglandins involves several steps; the first step is carried out by an enzyme called cyclooxygenase.