Period cramps and early pregnancy cramps can feel similar. However, pregnancy cramps are typically milder, occur around the time of implantation (a week or so before your expected period), and may be ...

After ovulation, estrogen levels quickly drop, while progesterone levels steadily increase to prepare the lining of the uterus for implantation. The sudden hormonal fluctuation can cause bleeding.

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The creature is called a "Predalien," and if that sounds extremely dumb to you, you aren't alone. Alien vs. Predator: Requiem was panned by critics far and wide. Aliens is one of the greatest ...

This month's cover highlights the article Nup358 restricts ER-mitochondria connectivity by modulating mTORC2/Akt/GSK3β signalling by Joseph, Misha Kalarikkal and colleagues. The image shows a human ...

This study aims to examine the effects of polystyrene exposure on sperm metabolism and the development of pre-implantation embryos. Methods: In this study, male C57BL/6 mice were orally ...

Pregnancy is possible if a person has penetrative intercourse within 7 days of implantation. A person may also become pregnant with an IUD if it falls out of place. Doctors call this IUD expulsion.

It wasn’t too long ago that we were unsure we’d ever see another Alien vs. Predator attempt on the big screen… but now it seems the winds are changing and that it’s all but inevitable. With the Alien ...