Have Indigestion And Weakness After Taking Myotol, Bigomet, Globac For Irregular Periods. Correct Medicine?

i have irregular period from last 5 years. the irregularity appear 1st at 2008 Dec. after 2 months(Feb) periods come. then again normal for 3 months. again once in two months(july'09). again normal. then at April,2010 i get 1st time pregnant. But after 10 weeks miscarriage occur. at this time period was normal. then again at Nov2010 it is late and it occur after 1months 26 day(jan'11) after taking medicine from Dr. again it does not come up to march'13. i get a test and find to be pregnant. the pregnancy is from 28 jan to nov. i give birth a baby on oct2011. after delivery my periods come at oct2012 after taking medicine. then Dr suggest me to take pill for 7 months. as i stop to take pill after 7 months, then period comes late for about 1m 21 days. then Dr suggest me to take the medicine for next 6 months - Myotol-F(4 capsule per day), Bigomet SR- 1tab per day, for one month Globac XT (one tab/day) and for 2 months ipill. i am taking the medicine for 4 days and getting indigestion, feeling week.
so i want to know is the medicine are wright.
NOTE: Normally my periods come 4-5days late from starting. Now i am 31years. At 2006 at ovary few follicles are found. Glycomet 1000/ Metaday 1000 this medicines i have taken for continuous 1.5year. then at last after USG same report comes(few follicles), and i stop taking medicine.