Hello and welcome to HCM,
Irregularities of menstrual cycle are common.
Heavy and light periods can alternate frequently.
However, these irregularities will not affect your probability to get pregnant.
Ovulation is the most important pre-requisite for pregnancy
Menstrual irregularities occur most commonly due to hormonal
The cramping experienced during menstruation
. This occurs due to spasmodic contraction of the uterine muscles.
You can take mafenimic acid for the pain.
Observe your menstrual cycle for some cycles.
If the irregularity continues for longer periods, you need to consult your gynecologist.
Thanks and take care
Dr Shailja P Wahal