“I’m so sorry [I didn't get back to you sooner/I've been out of touch/I've been slow in replying to my email/etc.], I just had a baby.”
I have used this phrase a lot lately. It’s not an excuse, it’s an explanation.
My updates to this site have been a bit irregular in the last year and non-existent the last few months. But I have a good reason:
I am now out of the sleep deprivation fog (don’t confuse that for sleeping through the night) and back at work.