Taylor RS et al., 1986The Journal of Reproductive Medicine
The first study was done in which vaginal hormonal cytograms were correlated with cervical mucus symptoms as charted by women using the ovulation method of natural family planning. Daily vaginal smear...
Chang CP et al., 2020Paediatric and Perinatal Epidemiology
BACKGROUND: Previous research has demonstrated that women instructed in fertility awareness methods can identify the Peak Day of cervical mucus discharge for each menstrual cycle, and the Peak Day has...
Kusmiyati Y et al., 2019
Open Access
Kesmas: National Public Health Journal
The use of long hormonal contraceptives can disrupt the balance of estrogen in the body, resulting in abnormal cell changes. This study aimed to determine a correlation between the duration of hormona...
Porucznik CA et al., 2014
Open Access
BMC Women's Health
BACKGROUND: Transient exposures may influence fertility and early embryonic development. To assess the time of conception in vivo and conduct concurrent biomonitoring, ovulation must be identified pro...