Yes, a woman can conceive a baby boy.
Understanding Sex Determination
The sex of a baby is determined at conception. A woman's egg always carries an X chromosome. A man's sperm carries either an X or a Y chromosome.
- Girl: If the egg is fertilized by a sperm carrying an X chromosome, the resulting embryo will be XX, resulting in a girl.
- Boy: If the egg is fertilized by a sperm carrying a Y chromosome, the resulting embryo will be XY, resulting in a boy. (Reference: Multiple sources including Flo Health and other articles cited that explicitly state this biological mechanism.)
This fundamental biological process is the sole determinant of the baby's sex. While some methods claim to influence the odds of conceiving a boy (such as the Shettles method mentioned in several references), these methods lack conclusive scientific evidence of effectiveness. (Reference: Healthline article on Shettles method and multiple articles discussing methods to influence sex selection.) Currently, the only reliable method for sex selection is through assisted reproductive technologies (ART) like IVF with preimplantation genetic diagnosis (PGD). (Reference: Huggies AU article on gender selection.) However, access to such procedures is limited and often restricted to medical reasons.
While various methods claim to increase the chances of conceiving a boy, the ultimate determination rests on the chance fertilization of an egg with a Y chromosome-carrying sperm. Therefore, while influencing the odds may be attempted through timing intercourse or other methods, the biological process itself remains the crucial factor. (Reference: Multiple articles discussing various methods and their lack of definitive proof.)
The ability to conceive a boy depends entirely on the father's contribution of a Y chromosome-carrying sperm. Male infertility, impacting sperm count, motility, or morphology, could affect the probability of conceiving a boy, but it doesn't alter the fundamental mechanism of sex determination. (Reference: Mayo Clinic article on male infertility.)