How often to have sex to get pregnant

Conception Tips. Trying to Conceive? Get Fertility Facts | FIRST RESPONSE. If an embryo does not form or attach to the endometrium implantation , the level of progesterone drops and the next period starts. Show references Hornstein MD, et al. Taking care of your preconception health by modifying your lifestyle can improve your chance of a pregnancy and the health of your future child. American College of Obstetricians and Gynecologists.