Johnson, Sarah

Monitoring the menstrual cycle: Comparison of urinary and serum reproductive hormones referenced to true ovulation

Roos, J., Johnson, S., Weddell, S., Godehardt, E., Schiffner, J., Freundl, G., & Gnoth, C. (2015) · The European Journal of Contraception & Reproductive Health Care

Ovarian function and disordersHypothalamic control of reproductive hormones

Cited by 126

Can apps and calendar methods predict ovulation with accuracy?

Johnson, S., Marriott, L., & Zinaman, M. (2018) · Current Medical Research and Opinion

Reproductive Health and ContraceptionReproductive Health and Technologies

Cited by 115

Real-life insights on menstrual cycles and ovulation using big data

Soumpasis, I., Grace, B., & Johnson, S. (2020) · Human Reproduction Open

Reproductive Health and TechnologiesReproductive Health and Contraception

Cited by 76

Development of the first urinary reproductive hormone ranges referenced to independently determined ovulation day

Johnson, S., Weddell, S., Godbert, S., Freundl, G., Roos, J., & Gnoth, C. (2015) · Clinical Chemistry and Laboratory Medicine (CCLM)

Reproductive Health and TechnologiesOvarian function and disorders

Cited by 61

Levels of urinary human chorionic gonadotrophin (hCG) following conception and variability of menstrual cycle length in a cohort of women attempting to conceive

Johnson, S. R., Miro, F., Barrett, S., & Ellis, J. E. (2009) · Current Medical Research and Opinion

Reproductive Health and TechnologiesReproductive Health and Contraception

Cited by 54

Accuracy of perception of ovulation day in women trying to conceive

Zinaman, M., Johnson, S., Ellis, J., & Ledger, W. (2012) · Current Medical Research and Opinion

Reproductive Health and TechnologiesReproductive Health and Contraception

Cited by 33