This is not always easy, but there are a few points on which a diagnosis is based, namely: in a healthy woman (during the reproductive age) the function of menstruation stops, together with the morning sickness, and the enlargement of the breasts with dark color around the nipples. These are early indications that pregnancy exists. I am not going to take the time nor space to explain that all three of the above named can exist in nervous women, even when pregnancy does not exist. It is, as I said before, with the average healthy girl I am dealing, not with the exception. The only certain signs of pregnancy are the hearing of the heart-beats of the child and its movements. Another question which troubles a young woman is how to count the time when she will be confined. This, too, is difficult to say, for an error of two weeks earlier or later is possible, because the time of conception is seldom definitely known. Experience has given a method of arriving at an approximate date which is used and which answers the purpose fairly well, though it is by no means perfect. Add seven days to the first day of the last menstruation and count nine months forward. For example: Mrs. A. menstruated last, beginning October 5 add seven days; this brings the date to October 12; add nine months, which brings the date of confinement to July 12. It is well to have everything prepared two weeks before this date so that the woman can be as much as possible in the open air during the remaining waiting days. * * * * *