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What is Implantation Bleeding?

Implantation usually occurs between five and nine days after ovulation, when the embryo is trying to attach itself to the uterine wall. At this point, women often get implantation bleeding, also known as spotting, according to reproductive endocrinologist and UCLA clinical professor Shahin Ghadir, an infertility physician with Southern California Reproductive Center. “It is a common occurrence and happens about a week before a women would get her period and a week after ovulation,” Ghadir says. “Not everyone who is pregnant experiences implantation bleeding, but it is nothing to worry about.”

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