![Frontiers | Relationship Between Vitamin D and Hormones Important for Human Fertility in Reproductive-Aged Women Frontiers | Relationship Between Vitamin D and Hormones Important for Human Fertility in Reproductive-Aged Women](https://www.frontiersin.org/files/MyHome%20Article%20Library/666687/666687_Thumb_400.jpg)
Frontiers | Relationship Between Vitamin D and Hormones Important for Human Fertility in Reproductive-Aged Women
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![Effect of vitamin D supplementation on the basal difference of serum... | Download Scientific Diagram Effect of vitamin D supplementation on the basal difference of serum... | Download Scientific Diagram](https://www.researchgate.net/publication/45365637/figure/fig2/AS:601697206415388@1520467201934/Effect-of-vitamin-D-supplementation-on-the-basal-difference-of-serum-1-25OH-2-D-upper.png)
Effect of vitamin D supplementation on the basal difference of serum... | Download Scientific Diagram
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![Reference intervals for measured and calculated free 25-hydroxyvitamin D in normal pregnancy - ScienceDirect Reference intervals for measured and calculated free 25-hydroxyvitamin D in normal pregnancy - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0960076017303758-fx1.jpg)
Reference intervals for measured and calculated free 25-hydroxyvitamin D in normal pregnancy - ScienceDirect
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![Can someone help me convert this pg/ml measurement to ng/ml because that's what most charts use. People are telling me it's either somewhat low or really low, but the chart in this Can someone help me convert this pg/ml measurement to ng/ml because that's what most charts use. People are telling me it's either somewhat low or really low, but the chart in this](https://i.redd.it/can-someone-help-me-convert-this-pg-ml-measurement-to-ng-ml-v0-gb6rbiwxjoqa1.jpg?width=1284&format=pjpg&auto=webp&s=522c178a2625a7a382955a78059d23b746c48dfe)
Can someone help me convert this pg/ml measurement to ng/ml because that's what most charts use. People are telling me it's either somewhat low or really low, but the chart in this
![Different threshold levels of circulating total and free 25-hydroxyvitamin D for the diagnosis of vitamin D deficiency in obese adolescents | European Journal of Pediatrics Different threshold levels of circulating total and free 25-hydroxyvitamin D for the diagnosis of vitamin D deficiency in obese adolescents | European Journal of Pediatrics](https://media.springernature.com/lw685/springer-static/image/art%3A10.1007%2Fs00431-021-04137-5/MediaObjects/431_2021_4137_Fig2_HTML.png)