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. 2023 Nov 17;9(11):e22291. doi: 10.1016/j.heliyon.2023.e22291

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© 2023 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

PMC Copyright notice

Fig. 3 — (A–G) demonstrates the correlation coefficient analysis between serum levels of Vit.D and each of prolactin, FSH, LH, oestradiol, TSH, free T3 and free T4 during the follicular phase of the menstrual cycle in participants with irregular cycles. There was a significant negative correlation between serum levels of Vit.D and prolactin hormone (r = - 0.773, P < 0.0001), whereas the correlations were not significant for other hormonal levels.

Fig. 3(A–G): Correlation coefficient analysis between serum levels of Vit.D and each of prolactin (A), FSH (B), LH (C), oestradiol (D), TSH (E), free T3 (F) and free T4 (G) during the follicular phase of the menstrual cycle in participants with irregular cycles.

Fig. 3 — (A–G) demonstrates the correlation coefficient analysis between serum levels of Vit.D and each of prolactin, FSH, LH, oestradiol, TSH, free T3 and free T4 during the follicular phase of the menstrual cycle in participants with irregular cycles. There was a significant negative correlation between serum levels of Vit.D and prolactin hormone (r = - 0.773, P < 0.0001), whereas the correlations were not significant for other hormonal levels.

Fig. 3(A–G): Correlation coefficient analysis between serum levels of Vit.D and each of prolactin (A), FSH (B), LH (C), oestradiol (D), TSH (E), free T3 (F) and free T4 (G) during the follicular phase of the menstrual cycle in participants with irregular cycles.