I would dtd tonight. You just never know in this ttc business. Dont give up. You need to soldier on, I know how hard it is.

One positive that comes with IUI, is the absolute pressure that comes with ttc on demand is rempved. You can unwind that month and let the IUI do its work.

Your DH needs to go on a health kick after his big weekend away, my DH gave a sample after a big weekend and it was the crappiest quality. He wouldn't do that again. Now is the perfect time for him.