Sex is usually best avoided in first and third trimester and if everything is ok as per your doctor..no complication then you can do in second trimester..however Currently as you have itching and swelling in vaginal area then best is to once check with doctor as sometimes it needs medical treatment with safe medication..later just use a good vaginal wash..keep the area dry..wear comfy Cotton innerwear and clean with plain water..

Yes you can have sexual relationship in your 4/5/6 the months<br> However first rule out any infection that you are describing

Sex is okay in the second trimester but your gyno needs to say okay depending on whether the pregnancy has any complication. Also, wqsh well with Lactacyd and ensure you keep the area ventilated. Use cotton underwear. Drink lots of water. If the prob persists, 24hours after these steps, talk to the gyno. We need to rule out any infection asap.