Các mẹ thường thụ thai vào thời điểm nào?


lượt xem

Thêm vào

Bạn chưa đăng nhập?

Hãy đăng nhập để sử dụng chức năng này nhé.

Đăng nhập
Chia sẻ

Ngày đăng: 05/08/2016

Chuyên mục: Kiến thức

Sexual habits vary throughout the world, and the times of the year that
women give birth seem to shed some light on when babies are conceived.
Is there a pattern to when women are more likely to get pregnant? Tara
and Trace discuss some interesting habits among couples to try to get to
the bottom of this question. Read More: Use Code "REV3" to
receive HALF OFF your first month of bluum and discounts on longer term
subscriptions too! http://www.bluum.com/dnews A Time to Be Born
"Why do birth rates peak at different times in different
place?" Human Birth Seasonality: Latitudinal Gradient and
Interplay With Childhood Disease Dynamics
"More than a century of ecological studies have demonstrated the
importance of demography in shaping spatial and temporal variation in
population dynamics." Supporting Information: Human Birth
Seasonality: Latitudinal Gradient and Interplay with Childhood Disease
"In our analyses we followed the work of Rosenberg, who stated that
adjusting for the differing number of days in each month had little
effect on analyses of birth seasonality." Seasonal variations of
human sperm cells among 6455 semen samples: a plausible explanation of
seasonal birth patterns
"To compare the different sperm parameters according to season of
the year on sperm production day and the season 70 days prior (during
spermatogenesis)." Seasonal Variations in Sexual Activity and
Their Implications for Sexual Health Promotion
http://jrs.sagepub.com/content/92/2/60.full.pdf "Although seasonal
variations in births are observed in all human populations, the links
between calendar events and sexual activity have received little
attention in relation to health promotion and service provision."
Watch More: Too Many C-Sections?
https://www.youtube.com/watch?v=eLK7cRR_o_g TestTube Wild Card
Babies Preventing Sex https://www.youtube.com/watch?v=vOiczB69KOs
____________________ DNews is dedicated to satisfying your curiosity
and to bringing you mind-bending stories & perspectives you won't
find anywhere else! New videos twice daily. Watch More DNews on
TestTube http://testtube.com/dnews Subscribe now!
http://www.youtube.com/subscription_center?add_user=dnewschannel DNews
on Twitter http://twitter.com/dnews Trace Dominguez on Twitter
https://twitter.com/tracedominguez Tara Long on Twitter
https://twitter.com/TaraLongest Laci Green on Twitter
http://twitter.com/gogreen18 DNews on Facebook
https://facebook.com/DiscoveryNews DNews on Google+
http://gplus.to/dnews Discovery News http://discoverynews.com Download
the TestTube App: http://testu.be/1ndmmMq

Xem thêm