1 Some of the drugs used to treat hyperthyroidism (overactive thyroid) block the production of thyroid hormone. These same drugs can also cross the placenta and cause hypothyroidism in the infant.  If a pregnant woman has untreated hyperthyroidism, her newborn infant may be hypothyroid for a short period of time.
Black Velvet (song) Black Velvet is a song written by Canadian songwriters Christopher Ward and David Tyson, recorded by Canadian singer songwriter Alannah Myles. It was released in December 1989 as one of four singles from Myles' 1989 eponymous CD from Atlantic Records.
Known for his angelic vocals in love songs, his most popular song, Blue Velvet (a cover of Tony Bennett's 1951 song), peaked at number 1 on the now renamed Billboard Pop Singles Chart, and number 2 in the UK in 1990. It also served as inspiration for the film of the same name.