Results 101 to 110 of about 175,648 (355)

Influencing factors in the pregnancy rate in obese women undergoing artificial insemination

open access: yesNURE Investigación, 2013
The impact of obesity on the outcome of assisted reproduction treatments is debatable. Several studies show that obese women have worse outcomes after undergoing fertility treatment. The researches show a worse response to ovulation induction.
Carolina Sánchez-Cruzat Albertín
doaj  

Effect of Different Cooling Rates on Embryo Survivability and Pregnancy Rates in Freezing Sheep Embryos

open access: yesİstanbul Üniversitesi Veteriner Fakültesi Dergisi, 2016
Çalışmanın ilk bölümünde, mezbahadan sağlanan ovaryumlardan kazanılan oositler (n=2990) olgunlaştırma medyumu içerisinde 24 saat süreyle olgunlaştırıldı. Ardından, 20 saat süreyle İn Vitro Fertilizasyona (İVF) bırakıldılar. Yarıklanma gösteren embriyolar
Elif KARAMAN ÖZTÜRK   +5 more
doaj   +1 more source

Environmental stress influences reproductive success in male spider mites

open access: yesEcological Entomology, EarlyView.
This experiment explores how male juvenile food stress impacts reproductive traits in the haplodiploid spider mite Tetranychus urticae. Males exposed to juvenile food stress had lower reproductive success and females mated to these males also suffered reduced fitness as they were not able to produce optimal offspring sex ratios. The negative effects of
Elsa Noël   +4 more
wiley   +1 more source

Sex‐Specific Control and Incomplete Matings: Sperm Removal Behavior in a Bush Cricket Species

open access: yesEthology, EarlyView.
In this study, we investigated which sex influences the duration of sperm removal behaviour (SRB) in the ornate bush cricket, Metaplastes ornatus. Female traits showed a weak effect on SRB duration, and lighter females mated more frequently. Frequent unsuccessful mating terminations shortened SRB indicating high level of sexual conflict.
Chiara Flaskamp   +2 more
wiley   +1 more source

Current Medical Research Winter 2008–Spring 2009 [PDF]

open access: yes, 2009
Note that the “Current Medical Research” feature focuses on issues relevant to natural family planning and the beginning of life. This piece is complemented by medical reviews published in The National Catholic Bioethics Quarterly, which focus more on ...
Fehring, Richard
core   +2 more sources

Experiences with school‐based sexuality education among adopted adolescents with sexual minority parents

open access: yesFamily Relations, EarlyView.
Abstract Objective This study qualitatively examined the experiences and perspectives of adopted teenagers with sexual minority parents with respect to school‐based sexuality health education. Background Previous research has established that traditional school‐based sexuality and reproductive health education curricula are largely heteronormative and ...
Abbie E. Goldberg   +2 more
wiley   +1 more source

Unravelling Twin Births in German Holstein Cows: Phenotypic Associations, Genetic Analysis and Potential Underlying Genes and Hormones

open access: yesJournal of Animal Breeding and Genetics, EarlyView.
ABSTRACT Twin births in dairy cattle are rare but present significant challenges for animal welfare, as both the health of the cow and the calves are affected. This causes economic losses, which prompts breeders to select against twin births and identify associated risk factors.
Laura Hüneke   +4 more
wiley   +1 more source

Chromosomal control of pig populations in France: 2002-2006 survey [PDF]

open access: yes, 2007
The chromosomal control of pig populations has been widely developed in France over the last ten years. By December 31st, 2006, 13 765 individuals had been karyotyped in our laboratory, 62% of these since 2002.
Berland, Hélène-Marie   +8 more
core   +4 more sources

Insemination and fertilization in the seed bug Lygaeus simulans (Heteroptera: Lygaeidae)

open access: yesEuropean Journal of Entomology, 2000
In the laboratory, not all females of the seed bug Lygaeus simulans Deckert, 1985, produced fertilized eggs after copulation: 26.7% of the females were not inseminated and 5% were inseminated but did not lay fertilized eggs; only in 40% of the couples ...
Thomas MICHOLITSCH   +2 more
doaj   +1 more source

Artificial insemination.

open access: yesFertility and Sterility, 2020
Edward Schneider
semanticscholar   +1 more source

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