The only example I could think of for Half-Duplex is actually a Parallel interface. Even though parallel is eight lanes, data travels through the lanes in the same direction at the same time but never in both directions at the same time. The IEEE-1284 allows printers to send messages to the computer.
Since sperm live for three to five days, she could definitely get pregnant.. In addition, some women experience breakthrough spotting or bleeding between periods. This can occur during ovulation and be mistaken for a period, making it difficult to establish the exact place in the menstrual cycle.
Miscarriage-About 20-30% of pregnancies end in miscarriage. Bleeding or spotting can be an early sign of miscarriage. Bleeding or spotting during pregnancy does not always mean that the woman will not go on to have a healthy pregnancy but it is reason for concern.A miscarriage often starts with light spotting that turns to heavy bleeding.leeding or spotting can be an early sign of miscarriage. Bleeding or spotting during pregnancy does not always mean that the woman will not go on to have a healthy pregnancy but it is reason for concern. A miscarriage often starts with light spotting that turns to heavy bleeding.