Re: Sex on her period??
Yes, Avid. First, nothing of what I say below is to be used or understood as medical advice! I would like to answer your second question first. It is not known how long any particular woman can take birth control pills (BCPs) continuously. Thank you RPU3 for mentioning the brand of BCPs called Seasonale. Yes, it is designed for the woman to take 84 hormone pills, one every day, and then skip 7 days. That comes to exactly 91 days. The woman using Seasonale has four periods per year. I suppose that she could take BCPs for four or six months if she wanted without doing any harm. For twenty or thirty years I have prescribed regular BCPs for a few patients so that they can take them in that fashion. I did this even for some patients in their 30s and 40s who (because of their religious faith) were still virgins and who certainly didn't need the BCPs for contraception. Some women have very painful cramps during their periods, and the cramps can be reduced by the use of BCPs. However, for a small percentage of women the BCPs cannot completely eliminate the cramps. (I strongly suspect that many women who have especially crampy periods actually have the condition called endometriosis, in which there is tissue outside the uterus which is pretty much identical to the inner lining of the uterus.) So I told them that they can take the pills so that they have their periods and cramps only four times a year instead of thirteen times a year. Yes, all women are strongly advised not to smoke if they are taking BCPs. Non-smoking women can continue to take BCPs until after they are past menopause. Well, enough of that.
Now a question for you. In the totally natural setting, how often would the average woman have a period? I'll give you the answer below. First, in order for me to explain what is natural, I need you to take a trip with me--using your imagination--back through time. To get to the natural existence we need to travel to prehistoric times, before people domesticated animals and came to understand what caused pregnancy. Prior to the development of religion and the institution of marriage people probably began sexual activity at about the same age as our youngsters today develop that interest--during their teens. The average woman needs about four months of exposure to sperm in order to conceive (25% chance each month). So after four months of sexual activity by the fertile female she would be pregnant. IF she survived pregnancy and childbirth she did not have Enfamil or Similac to feed her baby. She did not give her toddler Gerber or Heinz. She breastfed! And she breastfed. And she breastfed some more! Even today there is a tribe of Africans, the !Kung (that exclamation point represents a clicking sound at the start of the tribal name) who live essentially that same type of existence I just described. The mothers and their babies have been observed by the anthropologists, and they found that the women breastfeed their babies for about three years. The tribe is so remote from modern civilization that the only contraception they have is that provided by breastfeeding. Breastfeeding the way the !Kung women do it actually has a fairly good success rate at preventing pregnancy, although some breastfeeding women can and do get pregnant. So now we can put together the pieces of this puzzle. The prehistoric women or the !Kung women get pregnant after four months of sexual activity, the pregnancy lasts 9 months, after which they breast feed for about three years. When they wean the baby the mother will have another four periods and be pregnant again. So once every four years the women have about four periods, an average of one period per year. That is the Natural course of events. I have a strong suspicion that those women probably don't ever develop endometriosis.
I hope that you enjoyed your imaginary trip through time with me and that I didn't ramble on too long. Isn't the human body absolutely Amazing?
|