Thank you to all for your votes, comments and questions. This was an interesting challenge in that many of the entries were just as much of a stretch as mine, but perhaps this entry was the farthest stretch of all. If you don't question or stretch boundaries, then you fail to learn. I expected this entry to either fail miserably, or rank high for it's humourous take. I learned that I was wrong, and it ended up scoring in the middle zone - 53rd of 81 entries. Cheers, Sandra.
I find it interesting that some people are calling you out saying that it couldn't possibly be your first memory. Well I've got news for them - very few of the entries would or could qualify as first memories.
In any event, I liked it and gave you a nine.
I think I understand this one as sperm meets ovum, though it doesn't look at all like the pictures I have seen of it. This brings it back much earlier than all the birth ones. I'm interested to see what this really is.