The signs and symptoms of acute inflammation: Redness; Swelling; Heat; Pain; Loss of function; All the above signs may be observed in specific instances, but no single sign must, as a matter of course, be present. These are the original, or cardinal signs of inflammation. Functio laesa is an apocryphal notion, as it is not unique to inflammation and is a characteristic of many disease states. *Full article available from Wikipedia
This information is just provided to give you piece of mind, as it is best to avoid the topical-use of retinol-containing products during pregnancy. It is the oral-administration of retinol that has been proven to cause severe birth defects. Please let us know what the company and your doctor says!
1 If your skin is sunburned, windburned, irritated, or wounded, do not use Retin-A until it has healed. 2  If you have eczema or another skin condition, wait until affected areas have healed before using Retin-A.3  Do not use Retin-A if you are pregnant or breastfeeding. 4  Cost is something to consider. If your skin is sunburned, windburned, irritated, or wounded, do not use Retin-A until it has healed. 2  If you have eczema or another skin condition, wait until affected areas have healed before using Retin-A.