https://www.moh.gov.sg/newsroom/tracking-number-of-women-and-men-who-have-undergone-fertility-screening-at-public-and-private-hospitals/
tracking numberwomenfertility
https://my.clevelandclinic.org/health/body/21957-cervical-mucus
Cervical mucus is a fluid your cervix produces. It changes throughout your menstrual cycle. Egg-white, slimy mucus means you’re fertile.
cervical mucuschartstagestrackingamp