Dr. Sameer Kumar
MBBS., MS (OBS/GYNAE)., FMAS., DMAS., FELLOWSHIP IS ASSISTED REPRODUCTIVE TECHNIQUES
Infertility, Obstetrics And Gynaecology
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The presence of pinkish-brown spotting in the proliferative phase of your cycle does indicate that you are having inadequate endometrialization possibly due to decreased serum estradiol levels during the phase. Also if the spotting turns darkish brown in the second phase of the cycle, then the level of progesterone is also inadequate which can cause early spotting premises as well.
It is suggested that you should get your hormonal profile for day-2 of cycle done and also take to sequential ultrasonographic follicular and endometrial thickness monitoring which would indicate the state of endometrialization due to estrogens and also the correct time of ovulation.
This can be corrected by starting estradiol pills in the first half of the cycle followed by progesterone-only pills post ovulation, which shall prevent these bleeding episodes.