Fertile Days. Yes and we think that the average fertility rate is about 20% (but the rate decreases with female age). The egg is healthy for about 18 hours after ovulation. The sperm live inside the woman for 2 days reliably but occasionally for much longer. We usually recommend sex every other day around ovulation to maximize sperm quality and timing. Keep track as fertility doc will want data if problems.
Yes. A woman can get pregnant shortly before or after ovulation also.