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In human pregnancy, prenatal development is also called antenatal development. The development of the human embryo follows fertilization, and continues as fetal development. By the end of the tenth week of gestational age, the embryo has acquired its basic form and is referred to as a fetus. The next period is that of fetal development where ...
Pregnancy rate is the success rate for getting pregnant.It is the percentage of all attempts that leads to pregnancy, with attempts generally referring to menstrual cycles where insemination or any artificial equivalent is used, which may be simple artificial insemination (AI) or AI with additional in vitro fertilization (IVF).
The Performance Ranking of Scientific Papers for World Universities (NTU Rankings) [1] is a ranking of world universities compiled by National Taiwan University annually since 2012. [ 2 ] This publication ranks world universities by a certain criteria of scientific paper volume, impact, and performance output.
[3] [4] [5] It developed over the following centuries with, for example, the journal Nature making it standard practice in 1973. The term "peer review" was first used in the early 1970s. [6] A monument to peer review has been at the Higher School of Economics in Moscow since 2017. [7]
Studies in 2008 and 2013 indicated that Asians (23 per 1,000) and whites (43 per 1,000) have lower rates of pregnancy before the age of 20. [15] [18] Teen birth rates decline by racial groups [8] Teen birth rates declined from 2018 to 2019 for several racial groups and for Hispanics.Among 15- to 19-year-olds, teen birth rates decreased:
In 1998, the government of the UK set a target to halve the under-18 pregnancy rate by 2010. The Teenage Pregnancy Strategy (TPS) was established to achieve this. The pregnancy rate in this group, although falling, rose slightly in 2007, to 41.7 per 1,000 women. [80]
The rates of teenage pregnancy may vary widely within a country. For instance, in the United Kingdom, the rate of adolescent pregnancy in 2002 was as high as 100.4 per 1000 among young women living in the London Borough of Lambeth , and as low as 20.2 per 1000 among residents in the Midlands local authority area of Rutland .