How Safe Is Conceiving During Super Umbilical Hernia Condition?

I am a 34 year women planning to have second baby.In the last month I suffered with urinary infection,I took antibiotics but still the abnormal frequency of passing urine and slight burning sensation continued for few more days.so doctor done ultrasound and he found super umbilical hernia of 10 mm size.my doubts are 1. In this condition can have second pregnancy?Does it cause any harm to my health ? 2. I am a overweighted person with body mass index 27.6.For the last 1 year I am continuously increasing weight even though I am strict in my diet and doing regular exercise.Is this due to the increasE in size of hernia.I have noticed a bulge on my upper abdominal part ang this bulge is goes on increasing,but doesn t cause any pain.But this bulge is not in round shape,it s just like a fat deposition ,it s s distributed in all over upper area.i feel always like a liquid suspension inside.do I consult a surgeon before conceiving? 3. Why weight goes on increasing?