Contraceptive Users To the Editor: We read with interest the article by Siritho et al on ischemic stroke risk in oral contraceptive users.1 This case-control study seems well conducted, but the conclusion is not consequential to the results obtained. The conclusion of a study is of crucial importance when it deals with the practical implication of the study itself, which, in the case in point, ...

Some clinicians and ethicists in the first group object to the combined OCP based on good indirect evidence that it could cause the death of an early embryo.4 Others in this group broaden their moral opposition to include the primary effect of the OCP: direct suppression of fertility for procreative (family-planning) purposes. For the latter, moral objection to the OCP would continue even if it...

Endogenous and exogenous female hormones regulate sympathetic nerve activity (SNA) in animal models, but their impact in humans is controversial. The purpose of this study is to investigate the effects of the ovarian cycle and oral contraceptive pills (OCPs) on SNA. We hypothesized that the effects of endogenous hormones were baroreflex (BR)-mediated and that these cyclical changes in BR contro...

OBJECTIVE Many forms of contraception are available on prescription only for example, the oral contraceptive pill (OCP) and long-acting reversible contraceptives (LARCs). In this analysis we aim to identify key determinants of prescription contraceptive use. DESIGN Cross-sectional population survey. Data on sociodemographic indices, concerns about the OCP and perceived barriers to access were...

This article formulates and solves a multiobjective fast charging-minimum degradation optimal control problem (OCP) for lithium-ion battery module made of series-connected cells equipped with an active balancing circuitry. The in the are subject to heterogeneity induced by manufacturing defects nonuniform operating conditions. Each cell is expressed via coupled nonlinear electrochemical, therma...

PURPOSE Increased stromal accumulation of macrophages and submucosal fibrosis due to excessive accumulation of collagens are central histologic features in ocular cicatricial pemphigoid (OCP). Interleukin (IL)-4 plays an important role in both the inflammatory and fibrotic events in several human and experimental diseases. In the present study, the possible role of IL-4 in the pathogenesis of O...

Herein, we show that the enhanced osteogenecity of octacalcium phosphate (OCP) biomaterial, recently identified as an important element in hybrid organic–inorganic nanocomposites involved initial hydroxyapatite crystal expansion mammal bones, results from chemical property, stemming presence lattice strain and dislocations. Two types OCPs were synthesized by wet-chemical processing (c-OCP) abse...

BACKGROUND It is noted that oral contraceptive pills increase the risk of abnormal Pap smear but results have been inconsistent across the populations. OBJECTIVE This study aimed to evaluate the association between oral contraceptive pill (OCP) consumption and abnormal Pap smear in women who referred to Shahid Sadoughi and Madar hospitals in Yazd. MATERIALS AND METHODS A cross sectional des...

Background: In several conditions we have face cranial bone defects. Reconstruction of these defects remains one of the most challenging problems encountered by craniofacial surgeons. Objective: To evaluate bone repair in cranial bone defects by use of an implant made of octacalcium phosphate in combination with bone matrix gelatin (OCP/BMG). Methods: We used 40, 5–6-week-old male Sprague-Dawle...

Online convex programming has recently emerged as a powerful primitive for designing machine learning algorithms. For example, OCP can be used for learning a linear classifier, dynamically rebalancing a binary search tree, finding the shortest path in a graph with unknown edge lengths, solving a structured classification problem, or finding a good strategy in an extensive-form game. Several res...