German cockroaches reproduce rapidly, which is one of the reasons they are such a pervasive pest. A single female can produce an egg capsule, or ootheca, containing up to 48 eggs every few weeks. She can grow 4 to 6 capsules in her lifetime, resulting in hundreds of offspring. The eggs hatch in about 28 days, and the nymphs undergo several moults for 6 to 12 weeks before becoming reproductive adults. Under ideal conditions, this fast reproductive cycle can lead to the exponential growth of a cockroach population in a relatively short time. A small infestation can become a significant problem if not addressed promptly and effectively. The rapid reproduction rate underscores the importance of early intervention and integrated pest management strategies to control and eliminate German cockroach populations before they can establish and spread.