Determining the paternity of a child can be a complex process, especially when multiple partners are involved. While it is not possible to definitively determine the father without DNA testing, there are some methods that may help narrow down the possibilities. First, consider the timing of your sexual encounters in relation to your menstrual cycle. If you were ovulating around the time of intercourse, there is a higher chance of conception. However, keep in mind that sperm can survive inside the female body for up to five days, so even if you had sex before or after ovulation, pregnancy is still possible. It's also important to note that bleeding during early pregnancy does not necessarily indicate a miscarriage or implantation bleeding - it could be due to other factors such as hormonal changes or cervical irritation. To get accurate results and peace of mind, consult with a healthcare professional who can guide you through DNA testing options and provide support throughout this process.