[1] With the addition of these new states, 58 % of American women of
reproductive age lived in a state considered either hostile or extremely hostile to abortion rights in 2017.
Altogether, 32 % of women of
reproductive age lived in a state that adopted at least one proactive measure in 2017.
Not exact matches
Detailed information on women's
reproductive factors was also collected, such as
age at menarche, the number of pregnancies, abortions,
live births, and the total duration of any breastfeeding for each
live birth.
Most mutations in C. elegans affect both
life span and reproduction, which had led scientists to believe that body cells and female
reproductive cells
aged according to the same clock.
Many species in nature do not
live beyond
reproductive age.
Researchers examined 28,516 postmenopausal women without cardiovascular disease from the Women's Health Initiative to test associations between total number of
live births,
age at first pregnancy lasting at least six months, and total
reproductive duration (time from first menstruation to menopause) with incident heart failure.
The social environment that the study participants
live in may also influence the relationship between their
reproductive efforts and the pace of
aging.
A total of 647 women
aged 48 - 55 years old and
living in central Finland partook in the study, which looked into the
reproductive health of middle -
aged women.
«Impaired fertility brought about by cancer treatment leads to long - term psychological distress and lowered quality of
life for cancer patients of a
reproductive age.
Sperm and egg from skin cells eventually might be used for
reproductive purposes, enabling parenthood at any
age using tissue from either the
living or dead.
Despite all the plasticity in the jellyfish
life cycle, scientists had believed that there was a limit, that once a medusa reached
reproductive age, those sorts of unusual transformations would be impossible.
For long -
lived species such as humans, chimpanzees, whales and some birds, longer survival is associated with higher
reproductive rates and a loss in fertility only at an extremely old
age.
The Apex Predators Program, located at the NEFSC's Narragansett Laboratory in Rhode Island, collects basic demographic information about sharks and their
life histories by conducting research on their distribution and migration patterns,
age and growth,
reproductive biology, and feeding ecology.
Research foci should shift from why women
live past
reproductive age to why older women experience a
reproductive decline.
Our approach differs from that adopted by Charlesworth [61], [62], who developed mathematical models to formalize the mutation accumulation hypothesis [63] that, together with the antagonistic pleiotropy hypothesis [3], [64], may be used to show how senescence can evolve by the accumulation of deleterious alleles through mutation - selection balance at frequencies that increase with their
age of onset; such mutations enhance
reproductive performance early in
life but diminish survival late in
life through physiological trade - offs.
Endocrinology is such a huge field, we know hormones but it seems the relationships are very complex (puberty, sexual capability, gonad formation, brain plasticity to hormones, speed of
aging in relation to hormones (see the famous example of parasited salmon who
lives 13 years and is «
reproductive capable», while the
reproductive - non parasited one dies of sexual progeria at 3 years old; or in smaller form in the parasited - S.
Aging can generally be defined as a progressive decline in the efficiency of biochemical and physiological processes after the
reproductive phase of
life.2 From one birthday to the next we are unaware of the fact that our cells, organs and bones are slowly losing some of their function.
Menopause is the transition from
reproductive to non-
reproductive phase which refers to the natural part of the
aging and is a normal
life stage of every woman.
In general, almost all your pup's calories should come from a commercial food that meets the AAFCO profile for «adult maintenance» for adult dogs, «growth and reproduction» for puppies and mama dogs, or «all
life stages» for pooches of any
age and
reproductive condition.
More than 90 percent of hens «die of
reproductive issues,» around
age 3, she says, while roosters
live on, exacerbating the rooster overpopulation problem.
There are more than 60 million women of
reproductive age in the United States, and virtually all of them, regardless of religious affiliation, will use a modern contraceptive method in their
lives
Nearly 9 in 10 women of
reproductive age will use contraception at some point in their
lives, whether it's for family planning or other medical reasons like treating endometriosis.