Results 161 to 170 of about 316,099 (294)
Fern spores germinate into haploid fern gametophytes; small plants only a few millimeters in diameter. These gametophytes produce sperm by mitosis in small sacs called antheridia. When placed in water, the antheridium opens up, and the sperm are released.
Juarez, Cristina, Fink, Rachel
core
Abstract Uterine fibroids (leiomyomas) are present in most women during their reproductive years, yet only a subset becomes clinically meaningful. This disparity poses a central clinical challenge: distinguishing symptoms caused by fibroids from those unrelated to them.
Malcolm G. Munro
wiley +1 more source
Integrating Physiology and Multi-Omics Reveals Mechanisms Underlying Sperm Activation and Movement in Mandarin Fish (<i>Siniperca chuatsi</i>). [PDF]
Wang Q +9 more
europepmc +1 more source
Building families—Implementing balanced sexual and reproductive health
Abstract One of the main initiatives of the World Health Organization (WHO) is the promotion of Sexual and Reproductive Health (SRH). Sexuality, infertility, and contraception are three interconnected pillars of SRH, each essential for achieving global equity in family planning and family building.
Peter Y. Liu +9 more
wiley +1 more source
The Influence of L-Serine on Sperm Quality, Malondialdehyde, and Antioxidant Enzyme Activity After Cryopreservation in Bull Semen. [PDF]
Ratchamak R +5 more
europepmc +1 more source
Fern spores germinate into haploid fern gametophytes; small plants only a few millimeters in diameter. These gametophytes produce sperm by mitosis in small sacs called antheridia. When placed in water, the antheridium opens up, and the sperm are released.
Juarez, Cristina, Fink, Rachel
core
FIGO statement on emergency contraception
Abstract Emergency contraception remains an essential component of comprehensive contraceptive care and reproductive autonomy. Despite being safe, highly effective, and associated with almost no absolute medical contraindications or age limits, emergency contraception is often underutilized due to systemic barriers, limited access, persistent ...
Mikaela Koch +5 more
wiley +1 more source
Molecular architecture and spatial organization of proteasomes in the human sperm nucleus. [PDF]
Kolata P +4 more
europepmc +1 more source
Fern spores germinate into haploid fern gametophytes; small plants only a few millimeters in diameter. These gametophytes produce sperm by mitosis in small sacs called antheridia. When placed in water, the antheridium opens up, and the sperm are released.
Juarez, Cristina, Fink, Rachel
core
The new WHO infertility guideline: A universal right to equitable, evidence‐based fertility care
Abstract The WHO ‘Guideline for the prevention, diagnosis and treatment of infertility’ heralds a significant global shift towards recognizing infertility as a medical condition requiring prevention, diagnosis, treatment and policy support. This recognition is vital for the one in six people with infertility worldwide and for policymakers trying to ...
M. Louise Hull +19 more
wiley +1 more source

