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Table 1 Distributions of total choline-containing compounds (tCho), estradiol, progesterone, follicle stimulating hormone (FSH), luteinising hormone (LH), and prolactin in the group of women not using oral contraceptive (nOC) and in the group of women using oral contraceptive (OC)

From: Changes in total choline concentration in the breast of healthy fertile young women in relation to menstrual cycle or use of oral contraceptives: a 3-T 1H-MRS study

 

OC group

nOC group

Day 7

Day 14

Day 21

p value*

tCho (mM)

0.7 (0.2–1.7)

0.8 (0.3–2.4)

0.9 (0.4–1.2)

0.4 (0.2–0.8)

0.963

Estradiol (pg/mL)

30 (26–42)

74 (55–112)

136 (91–188)

152 (129–196)

0.024

Progesterone (ng/mL)

0.8 (0.5–1.0)

0.5 (0.4–0.8)

1.1 (0.7–2.1)

10.3 (1.6–16.3)

< 0.001

LH (mIU/mL)

0.8 (0.3–1.7)

2.2 (2.1–3.1)

4.7 (3.3–10.0)

1.9 (0.8–5.1)

0.006

FSH (mIU/mL)

2.4 (0.9–4.2)

5.7 (4.9–8.1)

7.5 (5.5–11.0)

3.6 (2.3–5.2)

0.002

Prolactin (ng/mL)

16.7 (14.1–22.3)

14.8 (14.0–17.5)

16.5 (13.2–20.0)

14.8 (12.6–18.1)

0.541

  1. Data are medians and interquartile intervals. In the nOC group, three measurements were made on days 7, 14, and 21 of the menstrual cycle
  2. *This comparison was made among the three distributions measured in the nOC group as a variation during the menstrual cycle