Results 151 to 160 of about 561,932 (300)

Further Evidence that Legalized Abortion Lowered Crime: A Reply to Joyce [PDF]

open access: yes
Donohue and Levitt (2001) present a number of analyses that suggest a causal link between legalized abortion and reductions in crime almost two decades later when the cohorts exposed to legalized abortion reach their peak crime years.
John J. Donohue III, Steven D. Levitt
core  

Improving ARTs: Microfluidics as a Tool for Sperm Selection

open access: yesAndrology, EarlyView.
ABSTRACT Sperm selection is a critical step in assisted reproductive technology (ART), as sperm quality directly influences embryo quality. In vivo, the female reproductive tract imposes several physical and physiological barriers that favors only the most optimal spermatozoa reaching the fertilization site.
A. Pérez‐Gómez   +7 more
wiley   +1 more source

Rates of induced abortion in Denmark according to age, previous births and previous abortions [PDF]

open access: yes
Background: Whereas the effects of various socio-demographic determinants on a woman’s risk of having an abortion are relatively well-documented, less attention has been given to the effect of previous abortions and births. Objective: To study the effect
Lisbeth B. Knudsen   +3 more
core  

Associations Between Sperm DNA Fragmentation and Lifestyle Factors

open access: yesAndrology, EarlyView.
ABSTRACT Background Sperm DNA fragmentation index (DFI) has been proposed as a supplementary biomarker to traditional semen parameters in the evaluation of male infertility. However, its determinants and clinical relevance remain unclear, particularly regarding modifiable lifestyle factors.
Lana Haval Mairof Adams   +7 more
wiley   +1 more source

State Abortion Rates: The Impact of Policies, Providers, Politics, Demographics, and Economic Environment [PDF]

open access: yes
This paper uses data on abortion rates from 1974-88, to estimate two-stage least squares models with fixed state and year effects. The results indicate that implementing restrictions on Medicaid funding for abortion results in lower aggregate abortion ...
Rebecca A. London   +2 more
core  

A CCNA1 Missense Variant Associated With Chromatid Non‐Disjunction in Abnormal‐Headed Sperm and Male Infertility

open access: yesAndrology, EarlyView.
ABSTRACT Background Macrozoospermia is a rare form of teratozoospermia characterized by tetraploids, large‐headed spermatozoa with multiple flagella, usually caused by bi‐allelic AURKC mutations. The etiology of atypical phenotypes with a lower proportion of large headed spermatozoa and single flagella however often remains unresolved.
Aurore Perrin   +14 more
wiley   +1 more source

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