Translation of crotch in Spanish

Please take into account, that on May 10 and 11 there are holidays in the United States and that we do not work on Saturday. This will leave only the 15th, 16th and 17th for a company visit.
Usually we write these messages twice a week. We also have a fanpage in Spanish where we need to write short messages. It is actually pretty boring but people respond to it. Don't ask me why they are doing it.
I play the flute, but in recent years, I had no time. My granddaughter will give birth in 2 weeks and I will be great-grandmother. But I am only 70 years old. I hope that does not scare you.