Try 3 to 4 cycles of ovulation induction with follicular monitoring and timed intercourse. If it doesn't work go for 1 cycle of you iui based on husbands sperm count. If it doesn't click go for diagnostic laparoscopy but not for ovarian drilling.
Pregnancy can occur only one day of the cycle that is ovulation day so unprotected sex around that day only important. As only one day in month nature should be given 12-24 trials (12 to 24 months) before couple need any active management by gynecologist or infertility specialist
any couple desirous of pregnancy and not getting same naturally must meet gynecologist or infertility specialist accepting facts that it needs many reports and different trials of treatment. Means couple must have patience and go to one in whom they have trust to stick for a long time.
Yes, there are chances of complications in late-age pregnancy.
But not always.
Especially if you take good care of your nutritional supplements and regular antenatal check-up.
You can also take homoeopathic treatment to avoid complications.