Wolfgang Hatzmann

Fetal heart rate variability and complexity in the course of pregnancy

P. van Leeuwen, Silke Lange, Henrik Bettermann et al. · Early Human Development · 1999 · 154 citations

Maternal Cardiovascular Outcome, Physiology, Fetal Medicine +9

Effect of acupuncture on the outcome of in vitro fertilization and intracytoplasmic sperm injection: a randomized, prospective, controlled clinical study

Stefan Dieterle, Ying Gao, Wolfgang Hatzmann et al. · Fertility and Sterility · 2006 · 149 citations · Full text

Infertility, Andrology, Fertility +9

What is the “normal” fetal heart rate?

S Pildner von Steinburg, Anne‐Laure Boulesteix, Christian Lederer et al. · PeerJ · 2013 · 136 citations · Full text

Changes in the frequency power spectrum of fetal heart rate in the course of pregnancy

P. van Leeuwen, D. Geue, Silke Lange et al. · Prenatal Diagnosis · 2003 · 117 citations

Influence of gestational age, heart rate, gender and time of day on fetal heart rate variability

Silke Lange, P. van Leeuwen, D. Geue et al. · Medical & Biological Engineering & Computing · 2005 · 90 citations

Heart Rate, Maternal Cardiovascular Outcome, Physiology +11