Results 21 to 30 of about 287,216 (309)

Social and biological determinants of reproductive success in Swedish males and females born 1915–1929 [PDF]

open access: yes, 2009
Studying biological and social determinants of mortality and fertility provides insight into selective pressures in a population and the possibility of trade-offs between short- and long-term reproductive success.
Goodman, Anna   +4 more
core   +1 more source

Reproductive disorders in obesity [PDF]

open access: yes, 2015
Obesity is a major international problem related to many reproductive health problems. It is associated with multiple adverse reproductive outcomes such as infertility, ovulation dysfunction, miscarriage, preeclampsia, gestational diabetes mellitus ...
Quintana, Ramiro   +3 more
core   +1 more source

Differences in Reproductive Behavior between Spawning and Non-Spawning Zebrafish Pairs and the Effects of 17α-Ethinylestradiol (EE2)

open access: yesToxics, 2016
Reproductive success manifested by spawning and fertilization, in most fish, depends partly on an appropriate courtship behavior by both sexes. The zebrafish reproductive behavior can be resolved in some of its constituent elements by a computerized ...
Per G. Henriksen   +2 more
doaj   +1 more source

Egg development and hatching in two Red Sea damselfishes

open access: yesFrontiers in Marine Science, 2023
Damselfishes (family Pomacentridae) are widely distributed reef-associated marine fishes. The family’s diversity, iconic nesting behaviors, and high environmental adaptability contribute to the popularity of damselfishes as aquarium species, tourist ...
Song He, Michael L. Berumen
doaj   +1 more source

At the Crossroad of Decision to Have Children: An Analysis of Individual and Social Childbearing Challenges in the Context of Low Fertility in Isfahan [PDF]

open access: yesجامعه شناسی کاربردی, 2022
Introduction In low fertility settings, couple's decision to have children is usually a planned and complex decision that the couple makes based on consideration of their individual and family life on the one hand and considering the social and economic ...
Farideh Shams Gahfarokhi   +4 more
doaj   +1 more source

The Duration of Couples\' Childlessness: An Analysis of Differences and Determinants [PDF]

open access: yesمجله دانشگاه علوم پزشکی گرگان, 2023
Maryam Alimoradian , Hajiieh Bibi Razeghi Nasrabad *  , Maliheh Alimondegari , Abbas Askari-Nodoushan  Background and Objective: A basic factor in the reduction of fertility levels is delayed fertility.
Maryam Alimoradian   +3 more
doaj  

Biology and reproductive behavior of Murgantia histrionica (Heteroptera: Pentatomidae) [PDF]

open access: yes, 2008
peer ...
Feres, Reinaldo J. F.   +48 more
core   +1 more source

The effect of school performance upon marriage and long-term reproductive success in 10,000 Swedish males and females born 1915–1929 [PDF]

open access: yes, 2010
Humans are an exceptionally intelligent species, and the selective pressures which may have shaped these advanced cognitive powers are therefore of interest.
Goodman, Anna   +4 more
core   +1 more source

Process of couple communication in reproductive health among rural married couples in India [PDF]

open access: yes, 2009
Communication is often recognized as a cornerstone of modern society. Helping couples communicate about reproductive health is viewed as vital for involvement of both the partners in decision making, treatment seeking and promoting health.
Santosh Karvande, Shilpa
core   +1 more source

Female Reproductive Behavior [PDF]

open access: yes, 2018
Reproductive behavior is the behavior related to the production of offspring and includes all aspects from the establishment of mating systems, courtship, sexual behavior, and parturition to the care of young. In this chapter, I outline the hormonal regulation of the estrous cycle, followed by a description of the neural regulation of female sexual ...
openaire   +3 more sources

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