Fig. 2
The fetal heartbeat ratio in different KS-D5 score groups. The panels show the response for each maternal age group. The line is the fitted multivariate logistic regression
Fig. 2 | Reproductive Biology and Endocrinology
The fetal heartbeat ratio in different KS-D5 score groups. The panels show the response for each maternal age group. The line is the fitted multivariate logistic regression