If you are, in retrospect, one-week pregnant, you hopefully are there because you want to be. So your partner (and you) should be aware of the "heat issue."
The increase in body temperature that comes with things like saunas, Jacuzzis and electric blankets can have a negative impact on a man's sperm count. If your partner will be providing the sperm, he'll want to keep cool at this early stage.
Another partner tip: Great stress can make it more difficult to conceive. One of the most important things to remember during the first weeks of pregnancy (and throughout) is to help minimize stress. This might be a good time to institute a nightly bubble bath for the potential mommy-to-be. (It certainly couldn't hurt.)
Now, a few other things to think about at one-week nearly pregnant …