Pregnancy may cause changes in hormones that affect the thyroid, and thyroid problems can affect a growing baby. For some women with Graves' disease, symptoms worsen in the first trimester, and then improve for the rest of the pregnancy. Symptoms often worsen again after delivery.
When was the School Bus invented? raman December 10, 2011 Comments Off on When was the School Bus invented? In 1827, George Shillibeer introduced the first school bus for Quaker school at Abney Park in Stoke Newington in the North-East of United Kingdom. It was horse-drawn and designed to carry 25 children. The rear-engine diesel-powered school bus was introduced in 1959 by Gillig Bros. Collin Bus introduced the first small school bus in 1967 and later in 1973 by the Wayne Busette. Miscellaneous Post navigation
Who made the first ever train? The first train was NOT made by Stephenson (His famous Rocket), Richard Trevithick (assisted by Andrew Vivien) invented a steam locomotive/engine in 1804 although this was not â¦ a passenger train.he first coin ever made was the Lydian electrum third stater trite. It was commissioned by king alyattes in the 7th century B.C.E in the city of Lydia (ursa-minor, present da â¦ y Turkey). It was made from a gold-silver alloy, and sported a lions head on the top side.