: The study aimed to evaluate the effect of Ramadan fasting on serum levels of progesterone and prolactin in women. The study included thirty fertile women, their mean age (31.32±1.09 years) and twenty infertile women, their mean age (35.15±1.19 years) for the period from July 2012- August 2012 at the fertility and IVF center in Al-Batool Teaching Hospital. Measurement of serum progesterone and prolactin concentrations for all women was done using ELISA technique.
There was a significant increase in serum progesterone level after Ramadan fasting while no significant increase in serum prolactin level after Ramadan fasting was noticed. Concerning effect of Ramadan fasting on serum progesterone and prolactin levels in infertile women there was no significant change after fasting.
Conclusion: Ramadan fasting affect serum prolactin and progesterone in fertile women while have no effect in infertile women.