نتایج جستجو برای: conception rate
تعداد نتایج: 982692 فیلتر نتایج به سال:
OBJECTIVE To assess the effect of weight reduction in obese infertile women on conception rate spontaneously as well as with ovulation induction and pregnancy outcome. STUDY DESIGN Observational experimental study. PLACE AND DURATION OF STUDY Different private clinics at Mirpurkhas, Thana Bola Khan and Hyderabad, Sindh, Pakistan, from March 2008 to February 2011. METHODOLOGY Infertile wom...
Fertility data were collected every four weeks for 10 years from 40 herds of Holstein-Friesian dairy cattle. The data collected during 925 lactations from cows with cystic ovarian disease which were treated with 500 microg gonadorelin were compared with data from a control group of 13,869 normal lactations. The intervals between parturition and first insemination and between parturition and con...
Three-hundred and thirty-five lactating dairy cows from two herds were used to compare the effects on reproductive performance of intramuscular injections of 100 micrograms gonadotropin-releasing hormone (GnRH), 250 micrograms GnRH or saline given on day 13, 14 or 15 postpartum. The incidence of ovarian cysts or uterine infections was not reduced after GnRH injection. Culling rate for infertili...
The sperm count required were investigated to obtain a conception rate of 80% by unilateral intrauterine insemination (UIUI) of fresh semen in cats. The conception rates obtained by insemination before and after ovulation were also examined. Thirty-six female cats aged 1-7 years were used in the experiments, and the number of experimental cases was 44. Seven male cats aged 2-12 years from which...
CONTEXT Many pregnancies are unintended, particularly in certain population groups. Determining whether unintended pregnancy rates and disparities in rates between subgroups are changing may help policymakers target reproductive health services to those women most in need. METHODS To calculate rates of unintended pregnancy and related outcomes, data on pregnancy intendedness from the 2002 Nat...
Data obtained from the literature on the annual pattern of human conceptions and plasma melatonin at high latitudes indicated that simple annual rhythms do not exist. Instead, prominent semiannual rhythms are found, with equinoctial troughs and solsticial peaks. A prominent semiannual environmental event is the magnetic disturbance induced by the solar wind. The semiannual magnetic disturbances...
Dalton et al. (2004) conducted a field trial with Holstein dairy cattle to determine: 1) the effect of simultaneous thawing of multiple 0.5-mL straws of semen and sequence of insemination (1, 2, 3 or 4) on conception rates, 2) whether conception rates achieved following AI by professional AI technicians (PAI) and herdsman-inseminators (HI) differed, and 3) the effect of elapsed time from initia...
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