On the basis of the understanding of the cellular mechanisms of thyroid hormone action on the heart and cardiovascular system, it is possible to explain the changes in cardiac output, cardiac contractility, blood pressure, vascular resistance, and rhythm disturbances that result from thyroid dysfunction.
Last updated: July 2015. Tummy time is essential from day one to help your baby grow strong â even if your baby fusses and cries when you put him on his belly. Experts find that babies who don't spend time face-down often have some delays in their development of motor skills.
For this reason, a single late-term ultrasound should never be used as one of the reasons to induce labor, to change a due date, or to predict a baby is too large to negotiate the mother's pelvis. THE BABY IS TOO BIG. While this is commonly cited as one of the reasons to induce labor, there is little research evidence to support the claim.