Summary What is already known about this topic?Dimethylacetamide(DMA),a colorless liquid with low toxicity,is commonly used as a solvent in the production of synthetic materials,petroleum processing,and pharmaceutical...Summary What is already known about this topic?Dimethylacetamide(DMA),a colorless liquid with low toxicity,is commonly used as a solvent in the production of synthetic materials,petroleum processing,and pharmaceutical manufacture.In comparison to substances of higher toxicity,occupational exposure to DMA presents a deceptive risk due to its insidious and subacute progression,increasing the likelihood of escalating into major incidents.展开更多
To the Editor:The conflicting definition of poor ovarian response has complicated the comparison of proposed treatments.The Patient Oriented Strategies Encompassing Individualized Oocyte Number(POSEIDON)classification...To the Editor:The conflicting definition of poor ovarian response has complicated the comparison of proposed treatments.The Patient Oriented Strategies Encompassing Individualized Oocyte Number(POSEIDON)classification[1]was formulated to guide individual ovarian response management through detailed stratification.POSEIDON groups 3 and 4 were defined as patients with low anti-Müllerian hormone(AMH;<1.2 ng/mL)and/or low antral follicle count(AFC;<5).展开更多
基金Supported by the Medical Science and Technology Research Fund of Guangdong Province(grant number C2021020)the Health Appropriate Technology Promotion Project of Guangdong Province(project number 202303091440347168).
文摘Summary What is already known about this topic?Dimethylacetamide(DMA),a colorless liquid with low toxicity,is commonly used as a solvent in the production of synthetic materials,petroleum processing,and pharmaceutical manufacture.In comparison to substances of higher toxicity,occupational exposure to DMA presents a deceptive risk due to its insidious and subacute progression,increasing the likelihood of escalating into major incidents.
基金supported by grants from the Natural Science Foundation of Guangdong Province(No.2021A1515010290)National Natural Science Foundation of China(No.81871159)Guangdong Basic and Applied Basic research(No.2022A1515012599).
文摘To the Editor:The conflicting definition of poor ovarian response has complicated the comparison of proposed treatments.The Patient Oriented Strategies Encompassing Individualized Oocyte Number(POSEIDON)classification[1]was formulated to guide individual ovarian response management through detailed stratification.POSEIDON groups 3 and 4 were defined as patients with low anti-Müllerian hormone(AMH;<1.2 ng/mL)and/or low antral follicle count(AFC;<5).