The Recommendations for Pregnant Women Vaccination
Hepatitis B Vaccination Procedure
Hepatitis B vaccine is made from a part of the hepatitis B virus outer cover by genetic engineering technology. Healthy pregnant women can be vaccinated to prevent themselves and fetuses from infecting with hepatitis B virus.
Injection procedure: Follow 0-1-6 schedule, which means after the first shot, receiving a second dose and a third dose one month and six months later respectively. The vaccination will provide an 87%-95% serological convert rate. If necessary, a booster dose may be required 3-5 years post primary schedule.
Hepatitis A Vaccination Procedure
Hepatitis A virus (HAV) can spread through water and food. Pregnant women are apt to the infection since their ability to the virus decreases due to the endocrine changes, the increase of nutrition demand and the aggravation of liver burdens. Thus experts suggest that high risk populations (often on business travel or eating out) shall be vaccinated before getting pregnant to prevent relevant diseases. Injection procedure: Vaccinate at least three months before pregnancy. High titer of protective antibodies will achieve in eight weeks post vaccination. A booster dose may be needed three years later.
Rubella Vaccination Proceudre
Rubella virus may be infected via respiratory transmission. If infected, 25% of pregnant women have the prognosis of threatened abortion, abortion, intrauterine death, congenital anomalies, congenital deaf, etc. The best way to prevent such disease is to vaccinate rubella vaccine before pregnancy.
Injection procedure: Vaccinate at least three months before pregnancy. The immune system takes approximately three months to generate protective antibodies. The vaccine will confer a 95% serological convert ratio and will provide lifelong immunity.
Influenza Vaccination Procedure
Influenza vaccination provides only one year of protection because of the variation of influenza virus. Influenza vaccine can confer protection against three main types of epidemic influenza viruses, and the vaccine is recommended for children, elder people and high risk population for influenza complications. It is advised by the CDC that women who are going to pregnant or already pregnant shall receive the influenza vaccine for protection. Some studies also suggest that the baby whose mother was vaccinated with influenza would be larger. Chinese experts recommend to making decision according to their own choice.
Injection precedure: Vaccinate three months before getting pregnant. The vaccine may confer protection about one year.
Varicella Vaccination Procedure
Pregnant women infect with varicella in early pregnancy may result in congenital varicella or neonatal chickenpox; and they may get serious pulmonitis or even die if infected in late pregnancy. Injection procedure: Vaccinate at least three months before pregnancy. The vaccine may confer protection more than ten years.