Search results
Results From The WOW.Com Content Network
The Pearl Index, also called the Pearl rate, is the most common technique used in clinical trials for reporting the effectiveness of a birth control method. It is a very approximate measure of the number of unintended pregnancies in 100 woman-years of exposure that is simple to calculate, but has a number of methodological deficiencies.
The unintended pregnancy rate among teens has been declining in the US. Between 2008 and 2011, the unintended pregnancy rate declined 44% among women aged 15–17 years old and 20% among women aged 18–19 years old. [34] This decline is attributed to improved contraceptive use among sexually active teens, rather than changes in sexual activity ...
Birth control, also known as contraception, anticonception, and fertility control, is the use of methods or devices to prevent pregnancy. [1] [2] Birth control has been used since ancient times, but effective and safe methods of birth control only became available in the 20th century. [3]
Immunity status of varicella should be performed at the pre-conception counseling session, in order to prevent the occurrence of congenital varicella syndrome and other adverse effects of varicella in pregnancy. [4] Generally, a person with a positive medical history of varicella infection can be considered immune. [4]
Emergency contraception (EC) is a birth control measure, used after sexual intercourse to prevent pregnancy.. There are different forms of EC. Emergency contraceptive pills (ECPs), sometimes simply referred to as emergency contraceptives (ECs), or the morning-after pill, are medications intended to disrupt or delay ovulation or fertilization, which are necessary for pregnancy.
You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.
In regard to the use of modern methods of contraception, The United Nations Population Fund (UNFPA) says, "Contraceptives prevent unintended pregnancies, reduce the number of abortions, and lower the incidence of death and disability related to complications of pregnancy and childbirth."
RExcel is an add-on for Microsoft Excel that allows access to the statistics package R from within Excel. It uses the statconnDCOM server and, for certain configurations, the room package. RExcel runs on Microsoft Windows (XP, Vista, or 7), with Excel 2003, 2007, 2010, and 2013. [1]