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.
Following the 2011 election, the Virginia Senate was evenly split again; this time the lieutenant governor, who was Republican, broke the organizational tie, giving the Republicans control. In 2012, however, a Democratic lieutenant governor was elected; the Senate then reorganized under Democratic control.