Distant sources - A tsunami caused by a very large earthquake elsewhere on the Pacific Rim could reach the California coast many (4 to 15) hours after the earthquake. The Alaska-Aleutians Subduction Zone is an example of a distant source that has caused destructive tsunamis in California.
Norplant and Implanon. Norplant is the name given to a series of rods or capsules that a doctor surgically inserts into a womanâs upper arm. The inserts release progestin into a womanâs bloodstream in order to prevent the ovaries from releasing eggs. However, this mechanism only works some of the time.[1].
Women must avoid becoming pregnant while taking this medication. Even a single dose of thalidomide has caused severe (often fatal) birth defects when used during pregnancy. You must have a negative pregnancy test 24 hours before you start treatment with thalidomide, repeating the test at least monthly.