“…Additionally, several studies reported preferences for natural immunity or a healthy lifestyle during pregnancy as reasons to decline vaccinations [ 61 , 62 , 66 , 68 , 76 ]. Maternal vaccination decision-making was also associated with several emotions and sentiments including fear (13 studies) [ 61 , 62 , 64 , 67 – 73 , 75 – 77 ], worry or anxiety (8 studies) [ 56 , 58 , 61 , 63 , 67 , 70 , 72 , 77 ], responsibility for pregnancy outcomes and culpability if something goes wrong (5 studies) [ 61 , 68 , 71 , 73 , 76 ], and uncertainty about risks associated with vaccination decisions (3 studies) [ 63 , 75 , 76 ]. Pregnant women feared the unknown [ 68 , 70 – 72 ] the disease (particularly for pandemic influenza) [ 62 , 68 , 70 , 73 ], vaccine harm or side-effects [ 61 , 64 , 67 , 69 , 70 , 75 , 76 ], vaccine safety [ 64 , 73 ], and pain [ 52 , 61 , 77 ].…”