We found that mothers» reported use of infant lotion, infant powder, and shampoo was significantly associated with MEP, MMP, and MiBP
urinary concentrations.
Since this month's publication in the medical journal Pediatrics of a study linking infant exposure to shampoos, powders and lotions with increased
urinary concentrations of phthalates, many parents have been replacing their favorite baby brands with organic alternatives.
Because
the urinary concentration of bisphenol A varies widely, it was not quantified accurately in the present study, which relied on a single urine sample for each woman.
The study did not identify any clear link between
urinary concentrations of other phenols and ante - and postnatal growth of boys.
Women with higher
urinary concentrations of a common type of flame retardant had reduced likelihood of clinical pregnancy and live birth than those with lower concentrations, according to researchers at Harvard T.H. Chan School of Public Health.
«Infants who ate rice, rice products had higher
urinary concentrations of arsenic.»
It was measured by monitoring
urinary concentration of the major metabolite of melatonin, which is a hormone produced in the pineal gland known to be involved in the regulation of sleep cycles.
Publishing in Environmental Health Perspectives, researchers looked at organophosphate flame retardants (PFRs), studying
the urinary concentrations of their metabolites along with outcomes of IVF treatement.
The objective of this paper was to evaluate the relationship between
urinary concentrations of InsP6, bone mass loss and risk fracture in postmenopausal women.
Urinary concentrations of both calcium and oxalate may be influenced by dietary intakes.
Not exact matches
Total
urinary As
concentrations were twice as high among infants who consumed white or brown rice (geometric mean [GM], 5.83 µg / L; 95 % CI, 4.23 - 8.05 µg / L) compared with those who reported no rice intake (GM, 2.85 µg / L; 95 % CI, 2.42 - 3.34 µg / L) and were intermediately elevated among infants who consumed foods mixed with rice (GM, 4.13 µg / L; 95 % CI, 3.29 - 5.18 µg / L).
Infants who consumed rice and rice products, including infant rice cereal, had higher
urinary As
concentrations than those who did not consume any type of rice, with a trend of increasing
urinary As
concentrations with increasing number of servings of rice and rice products.
The median (range)
urinary As
concentrations were 4.11 µg / L (0.36 - 121.42 µg / L) for TUAs, 0.24 µg / L (below detection limit, 2.90 µg / L) for inorganic As, 0.92 µg / L (below detection limit, 3.07 µg / L) for monomethylarsonic acid, 3.00 µg / L (below detection limit, 16.46 µg / L) for dimethylarsinic acid, and 4.06 µg / L (1.05 - 19.93 µg / L) for SUAs (eTable 2 in the Supplement).
Prevalence of Rice and Rice - Product Consumption and Association With
Urinary Arsenic
Concentrations Among 129 Infants at 12 Months
Of foods mixed with rice,
urinary As
concentrations were nearly double for those who consumed rice snacks (GM, 4.97 µg / L; 95 % CI, 3.77 - 8.76 µg / L) compared with infants who did not consume rice (P <.001).
Urinary As
concentrations in our infants were an order of magnitude lower than the median 35 µg / L of As in a Bangladeshi population exposed to high drinking water As levels (median, 80 µg / L).28, 47 This was expected given the high rate of breastfeeding in our populations29 and the lower proportion of households with tap water As
concentrations above the US Environmental Protection Agency standard of 10 µg / L (12.5 % in our study).
The highest
urinary As
concentrations were observed among infants who consumed baby rice cereal (GM, 9.53 µg / L; 95 % CI, 4.12 - 21.98 µg / L; P =.005)(Figure 1B).
We examined the potential confounding effects of home tap water As
concentration and sex, but because these factors were unrelated to
urinary As
concentrations, we report only the models including specific gravity.
Therefore, models for total
urinary As
concentrations (TUAs) were restricted to infants who had not consumed seafood or fish during the 3 days prior to the collection of urine samples.
The purpose of the current study have been to examine the relationship between 1st trimester
urinary metabolite
concentrations (week 9 - 11) of DEP, DBP, DEHP, BBzP as well as DiNP in relation to AGD in 196 Swedish boys at 21 months of age.
Although rice and rice products are typical first foods for infants, a new study found that infants who ate rice and rice products had higher
urinary arsenic
concentrations than those who did not consume any type of rice, according to an article published online by JAMA Pediatrics.
Also, other dietary sources of arsenic, such as apple juice, may further contribute to
urinary arsenic
concentrations.
The highest
urinary arsenic
concentrations were seen among infants who ate baby rice cereal;
urinary arsenic
concentrations were nearly double for those who ate rice snacks compared with infants who ate no rice, according to the study.
Regression models were adjusted for age, sex, race / ethnicity, education, income, smoking, BMI, waist circumference, and
urinary creatinine
concentration.
Associations between
urinary BPA
concentration and diabetes or liver enzyme increases were not statistically significant in 2005/06, but confidence intervals were wide and associations remained in pooled data.
Urinary BPA
concentrations in 2005/06 (geometric mean 1.79 ng / ml, 95 % CI: 1.64 to 1.96) were lower than in 2003/04 (2.49 ng / ml, CI: 2.20 to 2.83, difference p - value = 0.00002).
Odds ratios of reporting heart disease and diabetes diagnoses were computed in fully adjusted models (Table 3), using z - scores of BPA and adjusting for age, sex, race / ethnicity, education, income, smoking, BMI, waist circumference and
urinary creatinine
concentrations.
For
urinary protein
concentration > 0.2 g / L, consider repeat testing and further evaluation.
In addition, only pubertal boys had lower IGF - 1
concentrations, which were also related to various
urinary phthalate metabolites.
[8] Tranfo G., et al.,
Urinary phthalate monoesters
concentration in couples with infertility problems.
90 % of ingested iodine is excreted via renal pathways, such that median spot
urinary iodine
concentrations (UIC) will serve as a biomarker for recent dietary iodine intake (1).
The
concentrations of
urinary oestrone -3-glucuronide, LH and pregnanediol - 3alpha - glucuronide as indices of ovarian function.
Soy Intake Modifies the Relation Between
Urinary Bisphenol A
Concentrations and Pregnancy Outcomes Among Women Undergoing Assisted Reproduction.
And through a study consisting of low carb, high protein diet the results garnered showed, that ketone bodies had reduced in the first 3 months and over a period of time the
urinary ketone
concentration reduced, ultimately not showing in the urine results.
Assessment methods include
urinary iodine
concentration, goiter, newborn TSH, and blood thyroglobulin.
Assessment methods include
urinary iodine
concentration, goitre, newborn thyroid - stimulating hormone, and blood thyroglobulin.
There were no differences between Nishihara and Yamagata in the
urinary iodine
concentration, but the
urinary iodine
concentrations in Kobe and Hotaka were less than those in Nishihara or Yamagata.
«Ingestion of these fruits and nuts resulted in an increase in
urinary 5 - hydroxyindoleacetic acid excretion with no change in platelet serotonin
concentration.
In the first U.S. study of
urinary arsenic in babies, Dartmouth College researchers found that formula - fed infants had higher arsenic levels than breastfed infants, and that breast milk itself contained very low arsenic
concentrations.
Both a low initial serum TSH and a high initial
urinary iodine
concentration can be predictable factors for a recovery from hypothyroidism due to Hashimoto's thyroiditis after restricting their iodine intake.
It can be concluded that high
urinary phytate
concentrations are correlated with reduced bone mass loss in lumbar spine over 12 months and with reduced 10 - year probability of hip and major osteoporotic fracture, indicating that increased phytate consumption can prevent development of osteoporosis.
The mean plasma glucose
concentration was lower (by 13 mg per deciliter [0.7 mmol per liter], or 8.9 percent) when patients completed the high - fiber diet than when they completed the ADA diet (P = 0.04), and mean daily
urinary glucose excretion was 1.3 g lower (P = 0.008).
In this prospective, open and non-randomized study, the effect of alpha - lipoic acid on the progression of endothelial cell damage and the course of diabetic nephropathy, as assessed by measurement of plasma thrombomodulin and
urinary albumin
concentration (UAC), was evaluated in 84 patients with diabetes mellitus over 18 months.
During the sixth week of the high - fiber diet, as compared with the sixth week of the ADA diet, mean daily preprandial plasma glucose
concentrations were 13 mg per deciliter (0.7 mmol per liter) lower (95 percent confidence interval, 1 to 24 mg per deciliter [0.1 to 1.3 mmol per liter]; P = 0.04) and mean daily
urinary glucose excretion was 1.3 g lower (median difference, 0.23 g; 95 percent confidence interval, 0.03 to 1.83; P = 0.008).
The purpose of this is to facilitate the removal of higher
concentrations of heavy metals via the
urinary tract than would normally occur from the body's natural detoxification processes.
Dietary correlates of
urinary 6 - sulfatoxymelatonin
concentrations in the Nurses» Health Study cohorts.
The median
urinary iodine
concentration of Boston - area vegans (78.5 μg / liter) was lower than in the general U.S. adult population (164 μg / liter)(2) and in the Northeast U.S. population (134 μg / liter)(19).
Another study from western Australia (a region that has previously been shown to be iodine replete) measured
urinary iodine
concentration (UIC) of 98 women at 6 months postpartum and checked their thyroid status both postpartum and 12 years later [23].
CONCLUSIONS:
Urinary DEHP
concentrations were associated with increased insulin resistance in this cross-sectional study of adolescents.
The lack of
concentration in a hyperthyroid cat does not have the normal defense mechanisms in place to prevent these feline
urinary tract infections.