Uncontrolled gestational diabetes increases<span> the risk for </span>preterm<span> labor and delivery,</span>preeclampsia<span>, and high </span>blood pressure<span>. </span>Preeclampsia<span> and </span>eclampsia<span>. </span>Preeclampsia<span>is a syndrome marked by a </span>sudden<span> increase in the </span>blood pressure<span> of a pregnant woman after the 20th week of pregnancy.</span>
