1 In a twin pregnancy. the average is 37 weeks. for triplets 34 and quadruplets 32 weeks. 2  The average birth weight for singletons is 7 lbs 7 oz. 3  Average birth weight of twins is 5 lbs 5 oz. for triplets 4lbs and quads 3lbs. 4  A difference in birth weight between multiples is not unusual.
So, sometime between the 1860s and 1936, the (Democratic) party of small government became the party of big government, and the (Republican) party of big government became rhetorically committed to curbing federal power.
This was also the first time that the Democrats lost control of the Senate in a sixth-year midterm since 1918. With a total net gain of 9 seats, the Republicans made the largest Senate gain by any party since 1980, and the largest Senate gain in a midterm election since 1958.n all, there were 36 elections: 33 senators were up for election this year as class 2 Senators, and 3 faced special elections (all from Class 3). Of all these seats, 21 were held by Democrats and 15 were held by Republicans. Colored shading indicates party with largest share of that row.