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 also involved in regulating the contraction and relaxation of the muscles in the gut and the airways. 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 E2 and F2 can be used to induce (kick-start) labour.