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The number of new teenage mothers in the United States is at its lowest level in nearly 70 years but remains the highest of any major developed country, according to official figures released Tuesday.
The current rate of 34.3 births per 1,000 women aged 15-19 is down 44 percent from a peak in 1991, and is 64 percent lower than the record set during the 1957 “baby boom” of 96.3 births per 1,000.
In 2010 just under 368,000 babies were born to women aged 15-19, in addition to 4,500 born to girls aged 10-14, according to the figures released by the National Center for Health Statistics.
Birth rates across the board are falling... wonder if its all the feminizing chemicals
Originally posted by zroth
Gotta love stats.
What are the rates of abortion and failed pregnancy for the same periods?
The teen abortion rate in 2008 dropped to the lowest rate seen since 1972 at 17.8 per 1,000 teen girls and women, the analysis found, and was down 59 percent from 1988 when the abortion rate peaked at 43.5 per 1,000 teen women.
The Guttmacher researchers said the decline in teen birthrates was largely attributable to increased contraceptive use by teens of both genders.
"Teens are also using more effective forms of contraception," said Kathryn Kost, a demographer with the Guttmacher Institute who co-authored the analysis.
Among women aged 15 to 17, about a quarter of the long-term decline in pregnancies, births and abortions could be attributable to reduced sexual activity, the researchers said.
But pregnancy, birth and abortion rates remained much higher for teens who belonged to minority groups, even though their overall rates have fallen over the past four decades.
Teen pregnancy, abortion rates at record low, study says
Originally posted by benrl
Birth rates across the board are falling... wonder if its all the feminizing chemicals in things like plastic bottles...
Originally posted by zroth
Gotta love stats.
What are the rates of abortion and failed pregnancy for the same periods?
A 2011 study using the rhesus monkey – a species that is very similar to humans in regard to pregnancy and fetal development – found that prenatal exposure to BPA causes changes in female primates' uterus development.[114] A 2011 rodent study found that male rats exposed to BPA had lower sperm counts and testosterone levels than those of unexposed males.[115] A 2011 mice study found that male mice exposed to BPA became demasculinized and behaved more like females in their spatial navigational abilities. They were also less desirable to female mice.[116]
In a 2010 study, mice were given BPA at doses thought to be equivalent to levels currently being experienced by humans. The research showed that BPA exposure affects the earliest stages of egg production in the ovaries of the developing mouse fetuses, thus suggesting that the next generation may suffer genetic defects in such biological processes as mitosis and DNA replication. In addition, the research team noted that their study "revealed a striking down-regulation of mitotic/cell cycle genes, raising the possibility that BPA exposure immediately before meiotic entry might act to shorten the reproductive lifespan of the female" by reducing the total pool of fetal oocytes.[111]
Another 2010 study with mice concluded that BPA exposure in utero leads to permanent DNA alterations in sensitivity to estrogen.[112] Also in 2010, a rodent study found that by exposing fetal mice to BPA during pregnancy and examining gene expression and DNA in the uteruses of female fetuses, BPA exposure permanently affected the uterus by decreasing regulation of gene expression.
The changes caused the mice to over-respond to estrogen throughout adulthood, long after the BPA exposure, thus suggesting that early exposure to BPA genetically "programmed" the uterus to be hyper-responsive to estrogen. Extreme estrogen sensitivity can lead to fertility problems, advanced puberty, altered mammary development and reproductive function, as well as a variety of hormone-related cancers. One of the authors concluded that BPA may be similar to diethylstilbestrol that caused birth defects and cancers in young women whose mothers were given the drug during pregnancy.[113]
Originally posted by Wrabbit2000
What is going on if the birth rate is dropping in a society that is anything but more prude or chaste than it has been in the past.
Originally posted by 00nunya00
Originally posted by Wrabbit2000
What is going on if the birth rate is dropping in a society that is anything but more prude or chaste than it has been in the past.
Obvious answer is obvious: rising rates of condom and birth control use.
Originally posted by xuenchen
Originally posted by 00nunya00
Originally posted by Wrabbit2000
What is going on if the birth rate is dropping in a society that is anything but more prude or chaste than it has been in the past.
Obvious answer is obvious: rising rates of condom and birth control use.
And here I would have thought it was all due to
the return of wholesome and humble family values and conservatism.
Or at least it would link to the sales figures for Bibles.