Influence of progestin bioactivity on cutaneous vascular responses to passive heating

Article Abstract:

The hypothesis that cutaneous vascular conductance (CVC) during passive heating would be lower in women taking oral contraceptives with higher progestational bioactivity compared with those taking oral contraceptives with lower progestational bioactivity is tested. It is concluded that progestational activity in oral contraceptives may alter the mechanism by which skin blood flow increases during heating via nitric oxide (NO)-dependent cutaneous active vasodilation.

Industrial Gas Manufacturing, Industrial gases, Nitric Oxide, Estrogen & Progestogen Preps, Estrogen, Estrogens, Progesterone

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Measuring performance during the menstrual cycle: A model using oral contraceptives

Article Abstract:

A study was conducted to understand the relationship between the menstrual cycle and anaerobic performance using a low-dose oral contraceptives (OC) pill. The study found that anaerobic performance was altered in cyclic patters throughout the OC cycle with the greatest performance observed under the conditions of low estradiol (E2) and progesterone (P4) equivalents.

Oral Contraceptives, Usage, Influence, Biological systems

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Relationship between sex hormones and anterior knee laxity across the menstrual cycle

Article Abstract:

Regular, serial measures were used to extensively determine the alterations in knee laxity as an activity of changing sex-hormone levels across the menstrual cycle. The results indicate that the relationship between knee laxity and sex hormones and associated time delay are extremely inconsistent in women.

Hormones & Related Preparations, Hormone Preparations, Hormones, Estradiol, Regression analysis

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