Zoloft during pregnancy and Autism??

I took the anti- depressant Zoloft during my pregnancy with my son. I was suffering from daily panic attacks, o.c.d, and major depression. Both of my doctors explained to me that the benefits from being on medication far outweighed the risks. My dose was gradually increased from 25mg all the way up to 100mg. Well, my son was born with no complications. When he was about 22 months old I had him evaluated because I was terrified at how he was developing...I thought he was autistic. The team only came back with a diagnosis of Sensory Regulatory Disorder although he exhibits MANY of the signs of autism. Anyway, I just want to know if there are any moms out there like myself that were on anti-depressants and have a child on the spectrum. This is something that I have been living with for the last 4 yrs. My husband and I have fought about it and I have tremendous guilt even to this day. I also would like input if anyone has info on any studies that pertain to my inquiry. Thank you so much!