After reading the article, "Alternations in Gut Microbiota of Gestational Diabetes Patients During the First Trimester of Pregnancy"

https://www.frontiersin.org/articles/10.3389/fcimb.2020.00058/full

Answer the followings please:

1. Summarize the article
2. list the statistical techniques used in the research project from the followings

• Descriptive statistics:mean, median, standard deviation, numbers (N, n), proportions (percentages), graphs (scatter, histogram, pie chart, bar chart)
• Inferential statistics:simple linear regression, multiple linear regression, chi-square test, t-test, wilcoxon signed rank test, McNemar's test, correlation, kruskal-wallis test, ANOVA, etc.